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Finding the Fourth Proportional to 586,135.80, 876,870.90 and 508,116.60

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Solution

The fourth proportional to 586,135.80, 876,870.90 and 508,116.60 is: 760,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,135.80 : 876,870.90 = 508,116.60 : x
  2. Step 2: Convert to fraction form
    586,135.80/876,870.90 = 508,116.60/x
  3. Step 3: Cross multiply
    586,135.80x = 876,870.90 × 508,116.60
  4. Step 4: Simplify right side
    586,135.80x = 445,552,660,346.94
  5. Step 5: Solve for x
    x = 445,552,660,346.94/586,135.80
  6. Step 6: Final answer
    x = 760,152.61

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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.