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Finding the Fourth Proportional to 584,925.76, 807,265.20 and 355,494.88

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Solution

The fourth proportional to 584,925.76, 807,265.20 and 355,494.88 is: 490,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,925.76 : 807,265.20 = 355,494.88 : x
  2. Step 2: Convert to fraction form
    584,925.76/807,265.20 = 355,494.88/x
  3. Step 3: Cross multiply
    584,925.76x = 807,265.20 × 355,494.88
  4. Step 4: Simplify right side
    584,925.76x = 286,978,645,402.18
  5. Step 5: Solve for x
    x = 286,978,645,402.18/584,925.76
  6. Step 6: Final answer
    x = 490,624.05

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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.