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Finding the Fourth Proportional to 475,281.67, 655,888.53 and 260,429.89

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Solution

The fourth proportional to 475,281.67, 655,888.53 and 260,429.89 is: 359,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,281.67 : 655,888.53 = 260,429.89 : x
  2. Step 2: Convert to fraction form
    475,281.67/655,888.53 = 260,429.89/x
  3. Step 3: Cross multiply
    475,281.67x = 655,888.53 × 260,429.89
  4. Step 4: Simplify right side
    475,281.67x = 170,812,977,720.16
  5. Step 5: Solve for x
    x = 170,812,977,720.16/475,281.67
  6. Step 6: Final answer
    x = 359,393.15

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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.