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Finding the Fourth Proportional to 935,123.10, 1,402,684.65 and 897,798.30

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Solution

The fourth proportional to 935,123.10, 1,402,684.65 and 897,798.30 is: 1,346,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,123.10 : 1,402,684.65 = 897,798.30 : x
  2. Step 2: Convert to fraction form
    935,123.10/1,402,684.65 = 897,798.30/x
  3. Step 3: Cross multiply
    935,123.10x = 1,402,684.65 × 897,798.30
  4. Step 4: Simplify right side
    935,123.10x = 1,259,327,894,206.10
  5. Step 5: Solve for x
    x = 1,259,327,894,206.10/935,123.10
  6. Step 6: Final answer
    x = 1,346,697.45

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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.