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Finding the Fourth Proportional to 710,062.20, 1,063,019.70 and 635,412.60

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Solution

The fourth proportional to 710,062.20, 1,063,019.70 and 635,412.60 is: 951,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,062.20 : 1,063,019.70 = 635,412.60 : x
  2. Step 2: Convert to fraction form
    710,062.20/1,063,019.70 = 635,412.60/x
  3. Step 3: Cross multiply
    710,062.20x = 1,063,019.70 × 635,412.60
  4. Step 4: Simplify right side
    710,062.20x = 675,456,111,428.22
  5. Step 5: Solve for x
    x = 675,456,111,428.22/710,062.20
  6. Step 6: Final answer
    x = 951,263.30

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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.