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Finding the Fourth Proportional to 532,154.26, 797,807.55 and 307,259.59

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Solution

The fourth proportional to 532,154.26, 797,807.55 and 307,259.59 is: 460,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,154.26 : 797,807.55 = 307,259.59 : x
  2. Step 2: Convert to fraction form
    532,154.26/797,807.55 = 307,259.59/x
  3. Step 3: Cross multiply
    532,154.26x = 797,807.55 × 307,259.59
  4. Step 4: Simplify right side
    532,154.26x = 245,134,019,175.61
  5. Step 5: Solve for x
    x = 245,134,019,175.61/532,154.26
  6. Step 6: Final answer
    x = 460,644.66

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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.