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Finding the Fourth Proportional to 566,457.45, 849,686.21 and 192,480.45

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Solution

The fourth proportional to 566,457.45, 849,686.21 and 192,480.45 is: 288,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,457.45 : 849,686.21 = 192,480.45 : x
  2. Step 2: Convert to fraction form
    566,457.45/849,686.21 = 192,480.45/x
  3. Step 3: Cross multiply
    566,457.45x = 849,686.21 × 192,480.45
  4. Step 4: Simplify right side
    566,457.45x = 163,547,986,665.01
  5. Step 5: Solve for x
    x = 163,547,986,665.01/566,457.45
  6. Step 6: Final answer
    x = 288,720.69

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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.