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Finding the Fourth Proportional to 488,444.40, 732,666.60 and 346,726.80

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Solution

The fourth proportional to 488,444.40, 732,666.60 and 346,726.80 is: 520,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,444.40 : 732,666.60 = 346,726.80 : x
  2. Step 2: Convert to fraction form
    488,444.40/732,666.60 = 346,726.80/x
  3. Step 3: Cross multiply
    488,444.40x = 732,666.60 × 346,726.80
  4. Step 4: Simplify right side
    488,444.40x = 254,035,145,684.88
  5. Step 5: Solve for x
    x = 254,035,145,684.88/488,444.40
  6. Step 6: Final answer
    x = 520,090.20

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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.