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Finding the Fourth Proportional to 615,882.74, 923,471.35 and 189,307.58

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Solution

The fourth proportional to 615,882.74, 923,471.35 and 189,307.58 is: 283,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,882.74 : 923,471.35 = 189,307.58 : x
  2. Step 2: Convert to fraction form
    615,882.74/923,471.35 = 189,307.58/x
  3. Step 3: Cross multiply
    615,882.74x = 923,471.35 × 189,307.58
  4. Step 4: Simplify right side
    615,882.74x = 174,820,124,159.16
  5. Step 5: Solve for x
    x = 174,820,124,159.16/615,882.74
  6. Step 6: Final answer
    x = 283,852.94

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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.