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Finding the Fourth Proportional to 525,117.30, 787,675.95 and 484,566.90

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Solution

The fourth proportional to 525,117.30, 787,675.95 and 484,566.90 is: 726,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,117.30 : 787,675.95 = 484,566.90 : x
  2. Step 2: Convert to fraction form
    525,117.30/787,675.95 = 484,566.90/x
  3. Step 3: Cross multiply
    525,117.30x = 787,675.95 × 484,566.90
  4. Step 4: Simplify right side
    525,117.30x = 381,681,693,296.06
  5. Step 5: Solve for x
    x = 381,681,693,296.06/525,117.30
  6. Step 6: Final answer
    x = 726,850.35

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Double scale
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Similar ratio
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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.