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Finding the Fourth Proportional to 499,509.60, 749,264.40 and 183,901.20

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Solution

The fourth proportional to 499,509.60, 749,264.40 and 183,901.20 is: 275,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,509.60 : 749,264.40 = 183,901.20 : x
  2. Step 2: Convert to fraction form
    499,509.60/749,264.40 = 183,901.20/x
  3. Step 3: Cross multiply
    499,509.60x = 749,264.40 × 183,901.20
  4. Step 4: Simplify right side
    499,509.60x = 137,790,622,277.28
  5. Step 5: Solve for x
    x = 137,790,622,277.28/499,509.60
  6. Step 6: Final answer
    x = 275,851.80

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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.