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Finding the Fourth Proportional to 740,437.80, 1,108,688.40 and 740,437.80

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Solution

The fourth proportional to 740,437.80, 1,108,688.40 and 740,437.80 is: 1,108,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,437.80 : 1,108,688.40 = 740,437.80 : x
  2. Step 2: Convert to fraction form
    740,437.80/1,108,688.40 = 740,437.80/x
  3. Step 3: Cross multiply
    740,437.80x = 1,108,688.40 × 740,437.80
  4. Step 4: Simplify right side
    740,437.80x = 820,914,799,781.52
  5. Step 5: Solve for x
    x = 820,914,799,781.52/740,437.80
  6. Step 6: Final answer
    x = 1,108,688.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.