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Finding the Fourth Proportional to 597,505.13, 896,522.59 and 313,128.07

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Solution

The fourth proportional to 597,505.13, 896,522.59 and 313,128.07 is: 469,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,505.13 : 896,522.59 = 313,128.07 : x
  2. Step 2: Convert to fraction form
    597,505.13/896,522.59 = 313,128.07/x
  3. Step 3: Cross multiply
    597,505.13x = 896,522.59 × 313,128.07
  4. Step 4: Simplify right side
    597,505.13x = 280,726,386,752.46
  5. Step 5: Solve for x
    x = 280,726,386,752.46/597,505.13
  6. Step 6: Final answer
    x = 469,830.92

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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.