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Finding the Fourth Proportional to 577,038.60, 865,557.90 and 569,165.40

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Solution

The fourth proportional to 577,038.60, 865,557.90 and 569,165.40 is: 853,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,038.60 : 865,557.90 = 569,165.40 : x
  2. Step 2: Convert to fraction form
    577,038.60/865,557.90 = 569,165.40/x
  3. Step 3: Cross multiply
    577,038.60x = 865,557.90 × 569,165.40
  4. Step 4: Simplify right side
    577,038.60x = 492,645,608,376.66
  5. Step 5: Solve for x
    x = 492,645,608,376.66/577,038.60
  6. Step 6: Final answer
    x = 853,748.10

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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.