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Finding the Fourth Proportional to 527,368.46, 727,764.92 and 298,000.01

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Solution

The fourth proportional to 527,368.46, 727,764.92 and 298,000.01 is: 411,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,368.46 : 727,764.92 = 298,000.01 : x
  2. Step 2: Convert to fraction form
    527,368.46/727,764.92 = 298,000.01/x
  3. Step 3: Cross multiply
    527,368.46x = 727,764.92 × 298,000.01
  4. Step 4: Simplify right side
    527,368.46x = 216,873,950,543.83
  5. Step 5: Solve for x
    x = 216,873,950,543.83/527,368.46
  6. Step 6: Final answer
    x = 411,238.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.