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Finding the Fourth Proportional to 631,646.81, 946,574.55 and 488,827.25

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Solution

The fourth proportional to 631,646.81, 946,574.55 and 488,827.25 is: 732,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,646.81 : 946,574.55 = 488,827.25 : x
  2. Step 2: Convert to fraction form
    631,646.81/946,574.55 = 488,827.25/x
  3. Step 3: Cross multiply
    631,646.81x = 946,574.55 × 488,827.25
  4. Step 4: Simplify right side
    631,646.81x = 462,711,434,196.49
  5. Step 5: Solve for x
    x = 462,711,434,196.49/631,646.81
  6. Step 6: Final answer
    x = 732,547.73

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.