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Finding the Fourth Proportional to 359,702.32, 540,165.84 and 344,655.76

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Solution

The fourth proportional to 359,702.32, 540,165.84 and 344,655.76 is: 517,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,702.32 : 540,165.84 = 344,655.76 : x
  2. Step 2: Convert to fraction form
    359,702.32/540,165.84 = 344,655.76/x
  3. Step 3: Cross multiply
    359,702.32x = 540,165.84 × 344,655.76
  4. Step 4: Simplify right side
    359,702.32x = 186,171,268,111.24
  5. Step 5: Solve for x
    x = 186,171,268,111.24/359,702.32
  6. Step 6: Final answer
    x = 517,570.38

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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.