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Finding the Fourth Proportional to 586,089.60, 879,652.80 and 502,108.80

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Solution

The fourth proportional to 586,089.60, 879,652.80 and 502,108.80 is: 753,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,089.60 : 879,652.80 = 502,108.80 : x
  2. Step 2: Convert to fraction form
    586,089.60/879,652.80 = 502,108.80/x
  3. Step 3: Cross multiply
    586,089.60x = 879,652.80 × 502,108.80
  4. Step 4: Simplify right side
    586,089.60x = 441,681,411,824.64
  5. Step 5: Solve for x
    x = 441,681,411,824.64/586,089.60
  6. Step 6: Final answer
    x = 753,607.32

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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.