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Finding the Fourth Proportional to 556,278.40, 834,417.60 and 473,609.80

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Solution

The fourth proportional to 556,278.40, 834,417.60 and 473,609.80 is: 710,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,278.40 : 834,417.60 = 473,609.80 : x
  2. Step 2: Convert to fraction form
    556,278.40/834,417.60 = 473,609.80/x
  3. Step 3: Cross multiply
    556,278.40x = 834,417.60 × 473,609.80
  4. Step 4: Simplify right side
    556,278.40x = 395,188,352,652.48
  5. Step 5: Solve for x
    x = 395,188,352,652.48/556,278.40
  6. Step 6: Final answer
    x = 710,414.70

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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.