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Finding the Fourth Proportional to 5,842,718.40, 8,748,331.20 and 4,236,585.60

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Solution

The fourth proportional to 5,842,718.40, 8,748,331.20 and 4,236,585.60 is: 6,343,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842,718.40 : 8,748,331.20 = 4,236,585.60 : x
  2. Step 2: Convert to fraction form
    5,842,718.40/8,748,331.20 = 4,236,585.60/x
  3. Step 3: Cross multiply
    5,842,718.40x = 8,748,331.20 × 4,236,585.60
  4. Step 4: Simplify right side
    5,842,718.40x = 37,063,053,985,950.71
  5. Step 5: Solve for x
    x = 37,063,053,985,950.71/5,842,718.40
  6. Step 6: Final answer
    x = 6,343,460.60

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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.