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Finding the Fourth Proportional to 615,030.80, 922,670.73 and 260,044.25

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Solution

The fourth proportional to 615,030.80, 922,670.73 and 260,044.25 is: 390,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,030.80 : 922,670.73 = 260,044.25 : x
  2. Step 2: Convert to fraction form
    615,030.80/922,670.73 = 260,044.25/x
  3. Step 3: Cross multiply
    615,030.80x = 922,670.73 × 260,044.25
  4. Step 4: Simplify right side
    615,030.80x = 239,935,213,366.45
  5. Step 5: Solve for x
    x = 239,935,213,366.45/615,030.80
  6. Step 6: Final answer
    x = 390,119.02

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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.