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Finding the Fourth Proportional to 452,417.52, 678,700.80 and 152,916.24

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Solution

The fourth proportional to 452,417.52, 678,700.80 and 152,916.24 is: 229,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,417.52 : 678,700.80 = 152,916.24 : x
  2. Step 2: Convert to fraction form
    452,417.52/678,700.80 = 152,916.24/x
  3. Step 3: Cross multiply
    452,417.52x = 678,700.80 × 152,916.24
  4. Step 4: Simplify right side
    452,417.52x = 103,784,374,420.99
  5. Step 5: Solve for x
    x = 103,784,374,420.99/452,417.52
  6. Step 6: Final answer
    x = 229,399.55

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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.