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Finding the Fourth Proportional to 369,029.20, 553,543.80 and 254,867.80

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Solution

The fourth proportional to 369,029.20, 553,543.80 and 254,867.80 is: 382,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,029.20 : 553,543.80 = 254,867.80 : x
  2. Step 2: Convert to fraction form
    369,029.20/553,543.80 = 254,867.80/x
  3. Step 3: Cross multiply
    369,029.20x = 553,543.80 × 254,867.80
  4. Step 4: Simplify right side
    369,029.20x = 141,080,490,509.64
  5. Step 5: Solve for x
    x = 141,080,490,509.64/369,029.20
  6. Step 6: Final answer
    x = 382,301.70

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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.