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Finding the Fourth Proportional to 499,404.60, 749,106.90 and 473,743.80

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Solution

The fourth proportional to 499,404.60, 749,106.90 and 473,743.80 is: 710,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,404.60 : 749,106.90 = 473,743.80 : x
  2. Step 2: Convert to fraction form
    499,404.60/749,106.90 = 473,743.80/x
  3. Step 3: Cross multiply
    499,404.60x = 749,106.90 × 473,743.80
  4. Step 4: Simplify right side
    499,404.60x = 354,884,749,412.22
  5. Step 5: Solve for x
    x = 354,884,749,412.22/499,404.60
  6. Step 6: Final answer
    x = 710,615.70

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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.