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Finding the Fourth Proportional to 772,253.52, 1,065,752.52 and 432,830.80

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Solution

The fourth proportional to 772,253.52, 1,065,752.52 and 432,830.80 is: 597,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,253.52 : 1,065,752.52 = 432,830.80 : x
  2. Step 2: Convert to fraction form
    772,253.52/1,065,752.52 = 432,830.80/x
  3. Step 3: Cross multiply
    772,253.52x = 1,065,752.52 × 432,830.80
  4. Step 4: Simplify right side
    772,253.52x = 461,290,515,833.62
  5. Step 5: Solve for x
    x = 461,290,515,833.62/772,253.52
  6. Step 6: Final answer
    x = 597,330.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.