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Finding the Fourth Proportional to 710,527.62, 980,527.11 and 404,604.08

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Solution

The fourth proportional to 710,527.62, 980,527.11 and 404,604.08 is: 558,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,527.62 : 980,527.11 = 404,604.08 : x
  2. Step 2: Convert to fraction form
    710,527.62/980,527.11 = 404,604.08/x
  3. Step 3: Cross multiply
    710,527.62x = 980,527.11 × 404,604.08
  4. Step 4: Simplify right side
    710,527.62x = 396,725,264,353.97
  5. Step 5: Solve for x
    x = 396,725,264,353.97/710,527.62
  6. Step 6: Final answer
    x = 558,353.05

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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.