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Finding the Fourth Proportional to 653,382.18, 901,410.12 and 377,557.74

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Solution

The fourth proportional to 653,382.18, 901,410.12 and 377,557.74 is: 520,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,382.18 : 901,410.12 = 377,557.74 : x
  2. Step 2: Convert to fraction form
    653,382.18/901,410.12 = 377,557.74/x
  3. Step 3: Cross multiply
    653,382.18x = 901,410.12 × 377,557.74
  4. Step 4: Simplify right side
    653,382.18x = 340,334,367,720.33
  5. Step 5: Solve for x
    x = 340,334,367,720.33/653,382.18
  6. Step 6: Final answer
    x = 520,881.01

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Double scale
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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.