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Finding the Fourth Proportional to 586,148.70, 879,030.26 and 207,000.66

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Solution

The fourth proportional to 586,148.70, 879,030.26 and 207,000.66 is: 310,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,148.70 : 879,030.26 = 207,000.66 : x
  2. Step 2: Convert to fraction form
    586,148.70/879,030.26 = 207,000.66/x
  3. Step 3: Cross multiply
    586,148.70x = 879,030.26 × 207,000.66
  4. Step 4: Simplify right side
    586,148.70x = 181,959,843,979.97
  5. Step 5: Solve for x
    x = 181,959,843,979.97/586,148.70
  6. Step 6: Final answer
    x = 310,432.91

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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.