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Finding the Fourth Proportional to 474,681.60, 655,035.24 and 259,780.11

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Solution

The fourth proportional to 474,681.60, 655,035.24 and 259,780.11 is: 358,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,681.60 : 655,035.24 = 259,780.11 : x
  2. Step 2: Convert to fraction form
    474,681.60/655,035.24 = 259,780.11/x
  3. Step 3: Cross multiply
    474,681.60x = 655,035.24 × 259,780.11
  4. Step 4: Simplify right side
    474,681.60x = 170,165,126,701.08
  5. Step 5: Solve for x
    x = 170,165,126,701.08/474,681.60
  6. Step 6: Final answer
    x = 358,482.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.