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Finding the Fourth Proportional to 591,602.80, 887,987.40 and 292,421.20

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Solution

The fourth proportional to 591,602.80, 887,987.40 and 292,421.20 is: 438,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,602.80 : 887,987.40 = 292,421.20 : x
  2. Step 2: Convert to fraction form
    591,602.80/887,987.40 = 292,421.20/x
  3. Step 3: Cross multiply
    591,602.80x = 887,987.40 × 292,421.20
  4. Step 4: Simplify right side
    591,602.80x = 259,666,341,092.88
  5. Step 5: Solve for x
    x = 259,666,341,092.88/591,602.80
  6. Step 6: Final answer
    x = 438,920.07

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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.