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Finding the Fourth Proportional to 652,756.39, 900,801.40 and 366,275.80

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Solution

The fourth proportional to 652,756.39, 900,801.40 and 366,275.80 is: 505,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,756.39 : 900,801.40 = 366,275.80 : x
  2. Step 2: Convert to fraction form
    652,756.39/900,801.40 = 366,275.80/x
  3. Step 3: Cross multiply
    652,756.39x = 900,801.40 × 366,275.80
  4. Step 4: Simplify right side
    652,756.39x = 329,941,753,426.12
  5. Step 5: Solve for x
    x = 329,941,753,426.12/652,756.39
  6. Step 6: Final answer
    x = 505,459.25

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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.