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Finding the Fourth Proportional to 676,437.64, 933,034.36 and 435,025.60

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Solution

The fourth proportional to 676,437.64, 933,034.36 and 435,025.60 is: 600,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,437.64 : 933,034.36 = 435,025.60 : x
  2. Step 2: Convert to fraction form
    676,437.64/933,034.36 = 435,025.60/x
  3. Step 3: Cross multiply
    676,437.64x = 933,034.36 × 435,025.60
  4. Step 4: Simplify right side
    676,437.64x = 405,893,832,279.62
  5. Step 5: Solve for x
    x = 405,893,832,279.62/676,437.64
  6. Step 6: Final answer
    x = 600,046.20

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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.