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Finding the Fourth Proportional to 586,732.40, 881,848.20 and 576,234.80

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Solution

The fourth proportional to 586,732.40, 881,848.20 and 576,234.80 is: 866,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,732.40 : 881,848.20 = 576,234.80 : x
  2. Step 2: Convert to fraction form
    586,732.40/881,848.20 = 576,234.80/x
  3. Step 3: Cross multiply
    586,732.40x = 881,848.20 × 576,234.80
  4. Step 4: Simplify right side
    586,732.40x = 508,151,621,157.36
  5. Step 5: Solve for x
    x = 508,151,621,157.36/586,732.40
  6. Step 6: Final answer
    x = 866,070.50

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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.