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Finding the Fourth Proportional to 625,335.48, 933,475.23 and 549,668.52

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Solution

The fourth proportional to 625,335.48, 933,475.23 and 549,668.52 is: 820,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,335.48 : 933,475.23 = 549,668.52 : x
  2. Step 2: Convert to fraction form
    625,335.48/933,475.23 = 549,668.52/x
  3. Step 3: Cross multiply
    625,335.48x = 933,475.23 × 549,668.52
  4. Step 4: Simplify right side
    625,335.48x = 513,101,948,130.76
  5. Step 5: Solve for x
    x = 513,101,948,130.76/625,335.48
  6. Step 6: Final answer
    x = 820,522.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.