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Finding the Fourth Proportional to 542,248.61, 812,573.66 and 302,031.82

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Solution

The fourth proportional to 542,248.61, 812,573.66 and 302,031.82 is: 452,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,248.61 : 812,573.66 = 302,031.82 : x
  2. Step 2: Convert to fraction form
    542,248.61/812,573.66 = 302,031.82/x
  3. Step 3: Cross multiply
    542,248.61x = 812,573.66 × 302,031.82
  4. Step 4: Simplify right side
    542,248.61x = 245,423,101,413.86
  5. Step 5: Solve for x
    x = 245,423,101,413.86/542,248.61
  6. Step 6: Final answer
    x = 452,602.55

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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.