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Finding the Fourth Proportional to 356,442.61, 534,488.95 and 176,319.92

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Solution

The fourth proportional to 356,442.61, 534,488.95 and 176,319.92 is: 264,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,442.61 : 534,488.95 = 176,319.92 : x
  2. Step 2: Convert to fraction form
    356,442.61/534,488.95 = 176,319.92/x
  3. Step 3: Cross multiply
    356,442.61x = 534,488.95 × 176,319.92
  4. Step 4: Simplify right side
    356,442.61x = 94,241,045,350.84
  5. Step 5: Solve for x
    x = 94,241,045,350.84/356,442.61
  6. Step 6: Final answer
    x = 264,393.32

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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.