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Finding the Fourth Proportional to 475,973.20, 715,126.20 and 357,875.20

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Solution

The fourth proportional to 475,973.20, 715,126.20 and 357,875.20 is: 537,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,973.20 : 715,126.20 = 357,875.20 : x
  2. Step 2: Convert to fraction form
    475,973.20/715,126.20 = 357,875.20/x
  3. Step 3: Cross multiply
    475,973.20x = 715,126.20 × 357,875.20
  4. Step 4: Simplify right side
    475,973.20x = 255,925,931,850.24
  5. Step 5: Solve for x
    x = 255,925,931,850.24/475,973.20
  6. Step 6: Final answer
    x = 537,689.79

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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.