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Finding the Fourth Proportional to 562,442.13, 776,167.11 and 307,792.71

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Solution

The fourth proportional to 562,442.13, 776,167.11 and 307,792.71 is: 424,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,442.13 : 776,167.11 = 307,792.71 : x
  2. Step 2: Convert to fraction form
    562,442.13/776,167.11 = 307,792.71/x
  3. Step 3: Cross multiply
    562,442.13x = 776,167.11 × 307,792.71
  4. Step 4: Simplify right side
    562,442.13x = 238,898,578,199.77
  5. Step 5: Solve for x
    x = 238,898,578,199.77/562,442.13
  6. Step 6: Final answer
    x = 424,752.28

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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.