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Finding the Fourth Proportional to 712,298.30, 982,881.59 and 567,471.40

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Solution

The fourth proportional to 712,298.30, 982,881.59 and 567,471.40 is: 783,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,298.30 : 982,881.59 = 567,471.40 : x
  2. Step 2: Convert to fraction form
    712,298.30/982,881.59 = 567,471.40/x
  3. Step 3: Cross multiply
    712,298.30x = 982,881.59 × 567,471.40
  4. Step 4: Simplify right side
    712,298.30x = 557,757,196,237.12
  5. Step 5: Solve for x
    x = 557,757,196,237.12/712,298.30
  6. Step 6: Final answer
    x = 783,038.79

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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.