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Finding the Fourth Proportional to 584,044.88, 805,981.95 and 315,772.88

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Solution

The fourth proportional to 584,044.88, 805,981.95 and 315,772.88 is: 435,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,044.88 : 805,981.95 = 315,772.88 : x
  2. Step 2: Convert to fraction form
    584,044.88/805,981.95 = 315,772.88/x
  3. Step 3: Cross multiply
    584,044.88x = 805,981.95 × 315,772.88
  4. Step 4: Simplify right side
    584,044.88x = 254,507,237,549.61
  5. Step 5: Solve for x
    x = 254,507,237,549.61/584,044.88
  6. Step 6: Final answer
    x = 435,766.58

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1.5x scale

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.