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Finding the Fourth Proportional to 607,066.60, 910,599.90 and 291,447.40

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Solution

The fourth proportional to 607,066.60, 910,599.90 and 291,447.40 is: 437,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,066.60 : 910,599.90 = 291,447.40 : x
  2. Step 2: Convert to fraction form
    607,066.60/910,599.90 = 291,447.40/x
  3. Step 3: Cross multiply
    607,066.60x = 910,599.90 × 291,447.40
  4. Step 4: Simplify right side
    607,066.60x = 265,391,973,295.26
  5. Step 5: Solve for x
    x = 265,391,973,295.26/607,066.60
  6. Step 6: Final answer
    x = 437,171.10

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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.