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Finding the Fourth Proportional to 475,347.71, 655,980.29 and 260,488.25

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Solution

The fourth proportional to 475,347.71, 655,980.29 and 260,488.25 is: 359,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,347.71 : 655,980.29 = 260,488.25 : x
  2. Step 2: Convert to fraction form
    475,347.71/655,980.29 = 260,488.25/x
  3. Step 3: Cross multiply
    475,347.71x = 655,980.29 × 260,488.25
  4. Step 4: Simplify right side
    475,347.71x = 170,875,155,147.91
  5. Step 5: Solve for x
    x = 170,875,155,147.91/475,347.71
  6. Step 6: Final answer
    x = 359,474.03

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1.5x scale

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.