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Finding the Fourth Proportional to 615,195.90, 922,923.45 and 260,027.10

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Solution

The fourth proportional to 615,195.90, 922,923.45 and 260,027.10 is: 390,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,195.90 : 922,923.45 = 260,027.10 : x
  2. Step 2: Convert to fraction form
    615,195.90/922,923.45 = 260,027.10/x
  3. Step 3: Cross multiply
    615,195.90x = 922,923.45 × 260,027.10
  4. Step 4: Simplify right side
    615,195.90x = 239,985,108,225.50
  5. Step 5: Solve for x
    x = 239,985,108,225.50/615,195.90
  6. Step 6: Final answer
    x = 390,095.43

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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.