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Finding the Fourth Proportional to 527,644, 790,153.02 and 369,130.24

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Solution

The fourth proportional to 527,644, 790,153.02 and 369,130.24 is: 552,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,644 : 790,153.02 = 369,130.24 : x
  2. Step 2: Convert to fraction form
    527,644/790,153.02 = 369,130.24/x
  3. Step 3: Cross multiply
    527,644x = 790,153.02 × 369,130.24
  4. Step 4: Simplify right side
    527,644x = 291,669,373,909.33
  5. Step 5: Solve for x
    x = 291,669,373,909.33/527,644
  6. Step 6: Final answer
    x = 552,776.82

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1.5x scale

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.