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Finding the Fourth Proportional to 528,560.80, 793,060.08 and 291,882.40

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Solution

The fourth proportional to 528,560.80, 793,060.08 and 291,882.40 is: 437,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,560.80 : 793,060.08 = 291,882.40 : x
  2. Step 2: Convert to fraction form
    528,560.80/793,060.08 = 291,882.40/x
  3. Step 3: Cross multiply
    528,560.80x = 793,060.08 × 291,882.40
  4. Step 4: Simplify right side
    528,560.80x = 231,480,279,494.59
  5. Step 5: Solve for x
    x = 231,480,279,494.59/528,560.80
  6. Step 6: Final answer
    x = 437,944.47

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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.