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Finding the Fourth Proportional to 452,505.24, 678,759.48 and 152,988.48

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Solution

The fourth proportional to 452,505.24, 678,759.48 and 152,988.48 is: 229,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,505.24 : 678,759.48 = 152,988.48 : x
  2. Step 2: Convert to fraction form
    452,505.24/678,759.48 = 152,988.48/x
  3. Step 3: Cross multiply
    452,505.24x = 678,759.48 × 152,988.48
  4. Step 4: Simplify right side
    452,505.24x = 103,842,381,130.79
  5. Step 5: Solve for x
    x = 103,842,381,130.79/452,505.24
  6. Step 6: Final answer
    x = 229,483.27

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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.