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Finding the Fourth Proportional to 527,205.10, 790,807.65 and 502,710.70

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Solution

The fourth proportional to 527,205.10, 790,807.65 and 502,710.70 is: 754,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,205.10 : 790,807.65 = 502,710.70 : x
  2. Step 2: Convert to fraction form
    527,205.10/790,807.65 = 502,710.70/x
  3. Step 3: Cross multiply
    527,205.10x = 790,807.65 × 502,710.70
  4. Step 4: Simplify right side
    527,205.10x = 397,547,467,296.86
  5. Step 5: Solve for x
    x = 397,547,467,296.86/527,205.10
  6. Step 6: Final answer
    x = 754,066.05

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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.