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Finding the Fourth Proportional to 615,095.60, 922,643.40 and 567,856.40

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Solution

The fourth proportional to 615,095.60, 922,643.40 and 567,856.40 is: 851,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,095.60 : 922,643.40 = 567,856.40 : x
  2. Step 2: Convert to fraction form
    615,095.60/922,643.40 = 567,856.40/x
  3. Step 3: Cross multiply
    615,095.60x = 922,643.40 × 567,856.40
  4. Step 4: Simplify right side
    615,095.60x = 523,928,959,607.76
  5. Step 5: Solve for x
    x = 523,928,959,607.76/615,095.60
  6. Step 6: Final answer
    x = 851,784.60

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Double scale
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Similar ratio
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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.