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Finding the Fourth Proportional to 556,437.60, 834,656.40 and 469,832.40

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Solution

The fourth proportional to 556,437.60, 834,656.40 and 469,832.40 is: 704,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,437.60 : 834,656.40 = 469,832.40 : x
  2. Step 2: Convert to fraction form
    556,437.60/834,656.40 = 469,832.40/x
  3. Step 3: Cross multiply
    556,437.60x = 834,656.40 × 469,832.40
  4. Step 4: Simplify right side
    556,437.60x = 392,148,619,587.36
  5. Step 5: Solve for x
    x = 392,148,619,587.36/556,437.60
  6. Step 6: Final answer
    x = 704,748.60

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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.