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Finding the Fourth Proportional to 710,002.80, 977,317.92 and 619,198.56

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Solution

The fourth proportional to 710,002.80, 977,317.92 and 619,198.56 is: 852,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,002.80 : 977,317.92 = 619,198.56 : x
  2. Step 2: Convert to fraction form
    710,002.80/977,317.92 = 619,198.56/x
  3. Step 3: Cross multiply
    710,002.80x = 977,317.92 × 619,198.56
  4. Step 4: Simplify right side
    710,002.80x = 605,153,848,726.20
  5. Step 5: Solve for x
    x = 605,153,848,726.20/710,002.80
  6. Step 6: Final answer
    x = 852,326.00

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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.