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Finding the Fourth Proportional to 656,464.60, 917,184.20 and 656,464.60

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Solution

The fourth proportional to 656,464.60, 917,184.20 and 656,464.60 is: 917,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,464.60 : 917,184.20 = 656,464.60 : x
  2. Step 2: Convert to fraction form
    656,464.60/917,184.20 = 656,464.60/x
  3. Step 3: Cross multiply
    656,464.60x = 917,184.20 × 656,464.60
  4. Step 4: Simplify right side
    656,464.60x = 602,098,958,979.32
  5. Step 5: Solve for x
    x = 602,098,958,979.32/656,464.60
  6. Step 6: Final answer
    x = 917,184.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.