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Finding the Fourth Proportional to 356,488.40, 534,732.60 and 304,000.40

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Solution

The fourth proportional to 356,488.40, 534,732.60 and 304,000.40 is: 456,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,488.40 : 534,732.60 = 304,000.40 : x
  2. Step 2: Convert to fraction form
    356,488.40/534,732.60 = 304,000.40/x
  3. Step 3: Cross multiply
    356,488.40x = 534,732.60 × 304,000.40
  4. Step 4: Simplify right side
    356,488.40x = 162,558,924,293.04
  5. Step 5: Solve for x
    x = 162,558,924,293.04/356,488.40
  6. Step 6: Final answer
    x = 456,000.60

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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.