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Finding the Fourth Proportional to 435,686.29, 652,972.75 and 351,486.16

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Solution

The fourth proportional to 435,686.29, 652,972.75 and 351,486.16 is: 526,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,686.29 : 652,972.75 = 351,486.16 : x
  2. Step 2: Convert to fraction form
    435,686.29/652,972.75 = 351,486.16/x
  3. Step 3: Cross multiply
    435,686.29x = 652,972.75 × 351,486.16
  4. Step 4: Simplify right side
    435,686.29x = 229,510,881,970.99
  5. Step 5: Solve for x
    x = 229,510,881,970.99/435,686.29
  6. Step 6: Final answer
    x = 526,780.14

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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.