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Finding the Fourth Proportional to 536,808.65, 740,798.33 and 295,106.76

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Solution

The fourth proportional to 536,808.65, 740,798.33 and 295,106.76 is: 407,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,808.65 : 740,798.33 = 295,106.76 : x
  2. Step 2: Convert to fraction form
    536,808.65/740,798.33 = 295,106.76/x
  3. Step 3: Cross multiply
    536,808.65x = 740,798.33 × 295,106.76
  4. Step 4: Simplify right side
    536,808.65x = 218,614,593,504.18
  5. Step 5: Solve for x
    x = 218,614,593,504.18/536,808.65
  6. Step 6: Final answer
    x = 407,248.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.