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Finding the Fourth Proportional to 556,279.40, 834,419.10 and 473,610.80

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Solution

The fourth proportional to 556,279.40, 834,419.10 and 473,610.80 is: 710,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,279.40 : 834,419.10 = 473,610.80 : x
  2. Step 2: Convert to fraction form
    556,279.40/834,419.10 = 473,610.80/x
  3. Step 3: Cross multiply
    556,279.40x = 834,419.10 × 473,610.80
  4. Step 4: Simplify right side
    556,279.40x = 395,189,897,486.28
  5. Step 5: Solve for x
    x = 395,189,897,486.28/556,279.40
  6. Step 6: Final answer
    x = 710,416.20

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Similar ratio
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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.