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Finding the Fourth Proportional to 602,320.64, 903,499.20 and 153,041.56

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Solution

The fourth proportional to 602,320.64, 903,499.20 and 153,041.56 is: 229,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,320.64 : 903,499.20 = 153,041.56 : x
  2. Step 2: Convert to fraction form
    602,320.64/903,499.20 = 153,041.56/x
  3. Step 3: Cross multiply
    602,320.64x = 903,499.20 × 153,041.56
  4. Step 4: Simplify right side
    602,320.64x = 138,272,927,026.75
  5. Step 5: Solve for x
    x = 138,272,927,026.75/602,320.64
  6. Step 6: Final answer
    x = 229,566.97

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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.