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Finding the Fourth Proportional to 369,435.60, 554,153.40 and 132,802.20

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Solution

The fourth proportional to 369,435.60, 554,153.40 and 132,802.20 is: 199,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,435.60 : 554,153.40 = 132,802.20 : x
  2. Step 2: Convert to fraction form
    369,435.60/554,153.40 = 132,802.20/x
  3. Step 3: Cross multiply
    369,435.60x = 554,153.40 × 132,802.20
  4. Step 4: Simplify right side
    369,435.60x = 73,592,790,657.48
  5. Step 5: Solve for x
    x = 73,592,790,657.48/369,435.60
  6. Step 6: Final answer
    x = 199,203.30

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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.