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Finding the Fourth Proportional to 592,782.66, 889,176.15 and 143,502.71

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Solution

The fourth proportional to 592,782.66, 889,176.15 and 143,502.71 is: 215,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,782.66 : 889,176.15 = 143,502.71 : x
  2. Step 2: Convert to fraction form
    592,782.66/889,176.15 = 143,502.71/x
  3. Step 3: Cross multiply
    592,782.66x = 889,176.15 × 143,502.71
  4. Step 4: Simplify right side
    592,782.66x = 127,599,182,746.49
  5. Step 5: Solve for x
    x = 127,599,182,746.49/592,782.66
  6. Step 6: Final answer
    x = 215,254.58

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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.