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Finding the Fourth Proportional to 615,039.60, 922,526.58 and 165,753.26

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Solution

The fourth proportional to 615,039.60, 922,526.58 and 165,753.26 is: 248,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,039.60 : 922,526.58 = 165,753.26 : x
  2. Step 2: Convert to fraction form
    615,039.60/922,526.58 = 165,753.26/x
  3. Step 3: Cross multiply
    615,039.60x = 922,526.58 × 165,753.26
  4. Step 4: Simplify right side
    615,039.60x = 152,911,788,071.65
  5. Step 5: Solve for x
    x = 152,911,788,071.65/615,039.60
  6. Step 6: Final answer
    x = 248,621.05

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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.