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Finding the Fourth Proportional to 499,530.24, 688,700.88 and 363,586.32

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Solution

The fourth proportional to 499,530.24, 688,700.88 and 363,586.32 is: 501,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,530.24 : 688,700.88 = 363,586.32 : x
  2. Step 2: Convert to fraction form
    499,530.24/688,700.88 = 363,586.32/x
  3. Step 3: Cross multiply
    499,530.24x = 688,700.88 × 363,586.32
  4. Step 4: Simplify right side
    499,530.24x = 250,402,218,539.96
  5. Step 5: Solve for x
    x = 250,402,218,539.96/499,530.24
  6. Step 6: Final answer
    x = 501,275.40

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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.