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Finding the Fourth Proportional to 586,133.80, 876,867.90 and 508,114.60

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Solution

The fourth proportional to 586,133.80, 876,867.90 and 508,114.60 is: 760,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,133.80 : 876,867.90 = 508,114.60 : x
  2. Step 2: Convert to fraction form
    586,133.80/876,867.90 = 508,114.60/x
  3. Step 3: Cross multiply
    586,133.80x = 876,867.90 × 508,114.60
  4. Step 4: Simplify right side
    586,133.80x = 445,549,382,261.34
  5. Step 5: Solve for x
    x = 445,549,382,261.34/586,133.80
  6. Step 6: Final answer
    x = 760,149.61

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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.