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Finding the Fourth Proportional to 463,792.80, 695,689.20 and 297,904.80

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Solution

The fourth proportional to 463,792.80, 695,689.20 and 297,904.80 is: 446,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,792.80 : 695,689.20 = 297,904.80 : x
  2. Step 2: Convert to fraction form
    463,792.80/695,689.20 = 297,904.80/x
  3. Step 3: Cross multiply
    463,792.80x = 695,689.20 × 297,904.80
  4. Step 4: Simplify right side
    463,792.80x = 207,249,151,988.16
  5. Step 5: Solve for x
    x = 207,249,151,988.16/463,792.80
  6. Step 6: Final answer
    x = 446,857.20

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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.