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Finding the Fourth Proportional to 935,573.40, 1,403,360.10 and 817,475.40

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Solution

The fourth proportional to 935,573.40, 1,403,360.10 and 817,475.40 is: 1,226,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,573.40 : 1,403,360.10 = 817,475.40 : x
  2. Step 2: Convert to fraction form
    935,573.40/1,403,360.10 = 817,475.40/x
  3. Step 3: Cross multiply
    935,573.40x = 1,403,360.10 × 817,475.40
  4. Step 4: Simplify right side
    935,573.40x = 1,147,212,359,091.54
  5. Step 5: Solve for x
    x = 1,147,212,359,091.54/935,573.40
  6. Step 6: Final answer
    x = 1,226,213.10

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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.