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Finding the Fourth Proportional to 615,168.80, 922,848.24 and 260,184.80

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Solution

The fourth proportional to 615,168.80, 922,848.24 and 260,184.80 is: 390,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,168.80 : 922,848.24 = 260,184.80 : x
  2. Step 2: Convert to fraction form
    615,168.80/922,848.24 = 260,184.80/x
  3. Step 3: Cross multiply
    615,168.80x = 922,848.24 × 260,184.80
  4. Step 4: Simplify right side
    615,168.80x = 240,111,084,754.75
  5. Step 5: Solve for x
    x = 240,111,084,754.75/615,168.80
  6. Step 6: Final answer
    x = 390,317.40

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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.