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Finding the Fourth Proportional to 475,013.40, 655,518.76 and 260,167.02

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Solution

The fourth proportional to 475,013.40, 655,518.76 and 260,167.02 is: 359,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,013.40 : 655,518.76 = 260,167.02 : x
  2. Step 2: Convert to fraction form
    475,013.40/655,518.76 = 260,167.02/x
  3. Step 3: Cross multiply
    475,013.40x = 655,518.76 × 260,167.02
  4. Step 4: Simplify right side
    475,013.40x = 170,544,362,343.30
  5. Step 5: Solve for x
    x = 170,544,362,343.30/475,013.40
  6. Step 6: Final answer
    x = 359,030.63

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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.