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Finding the Fourth Proportional to 592,351.20, 888,526.80 and 403,394.40

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Solution

The fourth proportional to 592,351.20, 888,526.80 and 403,394.40 is: 605,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,351.20 : 888,526.80 = 403,394.40 : x
  2. Step 2: Convert to fraction form
    592,351.20/888,526.80 = 403,394.40/x
  3. Step 3: Cross multiply
    592,351.20x = 888,526.80 × 403,394.40
  4. Step 4: Simplify right side
    592,351.20x = 358,426,735,369.92
  5. Step 5: Solve for x
    x = 358,426,735,369.92/592,351.20
  6. Step 6: Final answer
    x = 605,091.60

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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.