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Finding the Fourth Proportional to 376,031.60, 564,047.40 and 359,442.80

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Solution

The fourth proportional to 376,031.60, 564,047.40 and 359,442.80 is: 539,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,031.60 : 564,047.40 = 359,442.80 : x
  2. Step 2: Convert to fraction form
    376,031.60/564,047.40 = 359,442.80/x
  3. Step 3: Cross multiply
    376,031.60x = 564,047.40 × 359,442.80
  4. Step 4: Simplify right side
    376,031.60x = 202,742,776,788.72
  5. Step 5: Solve for x
    x = 202,742,776,788.72/376,031.60
  6. Step 6: Final answer
    x = 539,164.20

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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.