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Finding the Fourth Proportional to 584,411.60, 876,646.20 and 304,475.60

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Solution

The fourth proportional to 584,411.60, 876,646.20 and 304,475.60 is: 456,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,411.60 : 876,646.20 = 304,475.60 : x
  2. Step 2: Convert to fraction form
    584,411.60/876,646.20 = 304,475.60/x
  3. Step 3: Cross multiply
    584,411.60x = 876,646.20 × 304,475.60
  4. Step 4: Simplify right side
    584,411.60x = 266,917,377,732.72
  5. Step 5: Solve for x
    x = 266,917,377,732.72/584,411.60
  6. Step 6: Final answer
    x = 456,728.40

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1.5x scale

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.