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Finding the Fourth Proportional to 524,248.40, 786,955.80 and 288,052.40

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Solution

The fourth proportional to 524,248.40, 786,955.80 and 288,052.40 is: 432,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,248.40 : 786,955.80 = 288,052.40 : x
  2. Step 2: Convert to fraction form
    524,248.40/786,955.80 = 288,052.40/x
  3. Step 3: Cross multiply
    524,248.40x = 786,955.80 × 288,052.40
  4. Step 4: Simplify right side
    524,248.40x = 226,684,506,883.92
  5. Step 5: Solve for x
    x = 226,684,506,883.92/524,248.40
  6. Step 6: Final answer
    x = 432,399.04

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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.