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Finding the Fourth Proportional to 615,673.60, 923,510.40 and 194,948.80

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Solution

The fourth proportional to 615,673.60, 923,510.40 and 194,948.80 is: 292,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,673.60 : 923,510.40 = 194,948.80 : x
  2. Step 2: Convert to fraction form
    615,673.60/923,510.40 = 194,948.80/x
  3. Step 3: Cross multiply
    615,673.60x = 923,510.40 × 194,948.80
  4. Step 4: Simplify right side
    615,673.60x = 180,037,244,267.52
  5. Step 5: Solve for x
    x = 180,037,244,267.52/615,673.60
  6. Step 6: Final answer
    x = 292,423.20

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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.