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Finding the Fourth Proportional to 582,753.60, 874,130.40 and 402,350.40

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Solution

The fourth proportional to 582,753.60, 874,130.40 and 402,350.40 is: 603,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,753.60 : 874,130.40 = 402,350.40 : x
  2. Step 2: Convert to fraction form
    582,753.60/874,130.40 = 402,350.40/x
  3. Step 3: Cross multiply
    582,753.60x = 874,130.40 × 402,350.40
  4. Step 4: Simplify right side
    582,753.60x = 351,706,716,092.16
  5. Step 5: Solve for x
    x = 351,706,716,092.16/582,753.60
  6. Step 6: Final answer
    x = 603,525.60

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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.