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Finding the Fourth Proportional to 676,812.79, 934,001.66 and 375,006.79

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Solution

The fourth proportional to 676,812.79, 934,001.66 and 375,006.79 is: 517,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,812.79 : 934,001.66 = 375,006.79 : x
  2. Step 2: Convert to fraction form
    676,812.79/934,001.66 = 375,006.79/x
  3. Step 3: Cross multiply
    676,812.79x = 934,001.66 × 375,006.79
  4. Step 4: Simplify right side
    676,812.79x = 350,256,964,371.27
  5. Step 5: Solve for x
    x = 350,256,964,371.27/676,812.79
  6. Step 6: Final answer
    x = 517,509.38

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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.