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Finding the Fourth Proportional to 615,033.20, 922,112.40 and 235,807.40

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Solution

The fourth proportional to 615,033.20, 922,112.40 and 235,807.40 is: 353,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,033.20 : 922,112.40 = 235,807.40 : x
  2. Step 2: Convert to fraction form
    615,033.20/922,112.40 = 235,807.40/x
  3. Step 3: Cross multiply
    615,033.20x = 922,112.40 × 235,807.40
  4. Step 4: Simplify right side
    615,033.20x = 217,440,927,551.76
  5. Step 5: Solve for x
    x = 217,440,927,551.76/615,033.20
  6. Step 6: Final answer
    x = 353,543.40

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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.