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Finding the Fourth Proportional to 615,036.20, 922,116.90 and 235,810.40

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Solution

The fourth proportional to 615,036.20, 922,116.90 and 235,810.40 is: 353,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,036.20 : 922,116.90 = 235,810.40 : x
  2. Step 2: Convert to fraction form
    615,036.20/922,116.90 = 235,810.40/x
  3. Step 3: Cross multiply
    615,036.20x = 922,116.90 × 235,810.40
  4. Step 4: Simplify right side
    615,036.20x = 217,444,755,035.76
  5. Step 5: Solve for x
    x = 217,444,755,035.76/615,036.20
  6. Step 6: Final answer
    x = 353,547.90

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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.