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Finding the Fourth Proportional to 524,007.20, 786,010.80 and 150,030.20

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Solution

The fourth proportional to 524,007.20, 786,010.80 and 150,030.20 is: 225,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,007.20 : 786,010.80 = 150,030.20 : x
  2. Step 2: Convert to fraction form
    524,007.20/786,010.80 = 150,030.20/x
  3. Step 3: Cross multiply
    524,007.20x = 786,010.80 × 150,030.20
  4. Step 4: Simplify right side
    524,007.20x = 117,925,357,526.16
  5. Step 5: Solve for x
    x = 117,925,357,526.16/524,007.20
  6. Step 6: Final answer
    x = 225,045.30

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Similar ratio
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1.5x scale

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.