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Finding the Fourth Proportional to 864,607.95, 1,193,109.48 and 482,658.93

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Solution

The fourth proportional to 864,607.95, 1,193,109.48 and 482,658.93 is: 666,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,607.95 : 1,193,109.48 = 482,658.93 : x
  2. Step 2: Convert to fraction form
    864,607.95/1,193,109.48 = 482,658.93/x
  3. Step 3: Cross multiply
    864,607.95x = 1,193,109.48 × 482,658.93
  4. Step 4: Simplify right side
    864,607.95x = 575,864,944,989.66
  5. Step 5: Solve for x
    x = 575,864,944,989.66/864,607.95
  6. Step 6: Final answer
    x = 666,041.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.