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Finding the Fourth Proportional to 615,164.30, 922,746.45 and 194,569.10

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Solution

The fourth proportional to 615,164.30, 922,746.45 and 194,569.10 is: 291,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,164.30 : 922,746.45 = 194,569.10 : x
  2. Step 2: Convert to fraction form
    615,164.30/922,746.45 = 194,569.10/x
  3. Step 3: Cross multiply
    615,164.30x = 922,746.45 × 194,569.10
  4. Step 4: Simplify right side
    615,164.30x = 179,537,946,304.70
  5. Step 5: Solve for x
    x = 179,537,946,304.70/615,164.30
  6. Step 6: Final answer
    x = 291,853.65

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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.