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Finding the Fourth Proportional to 574,271.60, 861,018.60 and 304,444.40

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Solution

The fourth proportional to 574,271.60, 861,018.60 and 304,444.40 is: 456,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,271.60 : 861,018.60 = 304,444.40 : x
  2. Step 2: Convert to fraction form
    574,271.60/861,018.60 = 304,444.40/x
  3. Step 3: Cross multiply
    574,271.60x = 861,018.60 × 304,444.40
  4. Step 4: Simplify right side
    574,271.60x = 262,132,291,065.84
  5. Step 5: Solve for x
    x = 262,132,291,065.84/574,271.60
  6. Step 6: Final answer
    x = 456,460.48

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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.