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Finding the Fourth Proportional to 528,141.52, 728,853.96 and 377,598.16

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Solution

The fourth proportional to 528,141.52, 728,853.96 and 377,598.16 is: 521,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,141.52 : 728,853.96 = 377,598.16 : x
  2. Step 2: Convert to fraction form
    528,141.52/728,853.96 = 377,598.16/x
  3. Step 3: Cross multiply
    528,141.52x = 728,853.96 × 377,598.16
  4. Step 4: Simplify right side
    528,141.52x = 275,213,914,204.71
  5. Step 5: Solve for x
    x = 275,213,914,204.71/528,141.52
  6. Step 6: Final answer
    x = 521,098.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.