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Finding the Fourth Proportional to 577,048.40, 864,881.40 and 296,421.20

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Solution

The fourth proportional to 577,048.40, 864,881.40 and 296,421.20 is: 444,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,048.40 : 864,881.40 = 296,421.20 : x
  2. Step 2: Convert to fraction form
    577,048.40/864,881.40 = 296,421.20/x
  3. Step 3: Cross multiply
    577,048.40x = 864,881.40 × 296,421.20
  4. Step 4: Simplify right side
    577,048.40x = 256,369,182,445.68
  5. Step 5: Solve for x
    x = 256,369,182,445.68/577,048.40
  6. Step 6: Final answer
    x = 444,276.74

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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.