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Finding the Fourth Proportional to 614,829.60, 922,417.20 and 260,013.60

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Solution

The fourth proportional to 614,829.60, 922,417.20 and 260,013.60 is: 390,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,829.60 : 922,417.20 = 260,013.60 : x
  2. Step 2: Convert to fraction form
    614,829.60/922,417.20 = 260,013.60/x
  3. Step 3: Cross multiply
    614,829.60x = 922,417.20 × 260,013.60
  4. Step 4: Simplify right side
    614,829.60x = 239,841,016,873.92
  5. Step 5: Solve for x
    x = 239,841,016,873.92/614,829.60
  6. Step 6: Final answer
    x = 390,093.48

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1.5x scale

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.