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Finding the Fourth Proportional to 532,878.75, 735,700.73 and 342,228.24

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Solution

The fourth proportional to 532,878.75, 735,700.73 and 342,228.24 is: 472,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,878.75 : 735,700.73 = 342,228.24 : x
  2. Step 2: Convert to fraction form
    532,878.75/735,700.73 = 342,228.24/x
  3. Step 3: Cross multiply
    532,878.75x = 735,700.73 × 342,228.24
  4. Step 4: Simplify right side
    532,878.75x = 251,777,564,283.47
  5. Step 5: Solve for x
    x = 251,777,564,283.47/532,878.75
  6. Step 6: Final answer
    x = 472,485.65

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.