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Finding the Fourth Proportional to 550,656.95, 760,145.04 and 516,186.18

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Solution

The fourth proportional to 550,656.95, 760,145.04 and 516,186.18 is: 712,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,656.95 : 760,145.04 = 516,186.18 : x
  2. Step 2: Convert to fraction form
    550,656.95/760,145.04 = 516,186.18/x
  3. Step 3: Cross multiply
    550,656.95x = 760,145.04 × 516,186.18
  4. Step 4: Simplify right side
    550,656.95x = 392,376,364,443.55
  5. Step 5: Solve for x
    x = 392,376,364,443.55/550,656.95
  6. Step 6: Final answer
    x = 712,560.46

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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.