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Finding the Fourth Proportional to 590,911.10, 885,790.65 and 337,931.90

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Solution

The fourth proportional to 590,911.10, 885,790.65 and 337,931.90 is: 506,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,911.10 : 885,790.65 = 337,931.90 : x
  2. Step 2: Convert to fraction form
    590,911.10/885,790.65 = 337,931.90/x
  3. Step 3: Cross multiply
    590,911.10x = 885,790.65 × 337,931.90
  4. Step 4: Simplify right side
    590,911.10x = 299,336,917,356.74
  5. Step 5: Solve for x
    x = 299,336,917,356.74/590,911.10
  6. Step 6: Final answer
    x = 506,568.45

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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.