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Finding the Fourth Proportional to 584,807.40, 876,044.70 and 407,514.60

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Solution

The fourth proportional to 584,807.40, 876,044.70 and 407,514.60 is: 610,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,807.40 : 876,044.70 = 407,514.60 : x
  2. Step 2: Convert to fraction form
    584,807.40/876,044.70 = 407,514.60/x
  3. Step 3: Cross multiply
    584,807.40x = 876,044.70 × 407,514.60
  4. Step 4: Simplify right side
    584,807.40x = 357,001,005,502.62
  5. Step 5: Solve for x
    x = 357,001,005,502.62/584,807.40
  6. Step 6: Final answer
    x = 610,459.11

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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.