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Finding the Fourth Proportional to 592,328.40, 887,909.40 and 292,855.20

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Solution

The fourth proportional to 592,328.40, 887,909.40 and 292,855.20 is: 438,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,328.40 : 887,909.40 = 292,855.20 : x
  2. Step 2: Convert to fraction form
    592,328.40/887,909.40 = 292,855.20/x
  3. Step 3: Cross multiply
    592,328.40x = 887,909.40 × 292,855.20
  4. Step 4: Simplify right side
    592,328.40x = 260,028,884,918.88
  5. Step 5: Solve for x
    x = 260,028,884,918.88/592,328.40
  6. Step 6: Final answer
    x = 438,994.46

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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.