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Finding the Fourth Proportional to 586,508.40, 879,762.60 and 534,020.40

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Solution

The fourth proportional to 586,508.40, 879,762.60 and 534,020.40 is: 801,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,508.40 : 879,762.60 = 534,020.40 : x
  2. Step 2: Convert to fraction form
    586,508.40/879,762.60 = 534,020.40/x
  3. Step 3: Cross multiply
    586,508.40x = 879,762.60 × 534,020.40
  4. Step 4: Simplify right side
    586,508.40x = 469,811,175,557.04
  5. Step 5: Solve for x
    x = 469,811,175,557.04/586,508.40
  6. Step 6: Final answer
    x = 801,030.60

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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.