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Finding the Fourth Proportional to 480,347.12, 662,535.24 and 337,139.12

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Solution

The fourth proportional to 480,347.12, 662,535.24 and 337,139.12 is: 465,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,347.12 : 662,535.24 = 337,139.12 : x
  2. Step 2: Convert to fraction form
    480,347.12/662,535.24 = 337,139.12/x
  3. Step 3: Cross multiply
    480,347.12x = 662,535.24 × 337,139.12
  4. Step 4: Simplify right side
    480,347.12x = 223,366,547,782.59
  5. Step 5: Solve for x
    x = 223,366,547,782.59/480,347.12
  6. Step 6: Final answer
    x = 465,010.69

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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.