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Finding the Fourth Proportional to 554,948.40, 832,811.40 and 355,753.20

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Solution

The fourth proportional to 554,948.40, 832,811.40 and 355,753.20 is: 533,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,948.40 : 832,811.40 = 355,753.20 : x
  2. Step 2: Convert to fraction form
    554,948.40/832,811.40 = 355,753.20/x
  3. Step 3: Cross multiply
    554,948.40x = 832,811.40 × 355,753.20
  4. Step 4: Simplify right side
    554,948.40x = 296,275,320,546.48
  5. Step 5: Solve for x
    x = 296,275,320,546.48/554,948.40
  6. Step 6: Final answer
    x = 533,879.04

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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.