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Finding the Fourth Proportional to 714,842.94, 985,649.85 and 533,239.59

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Solution

The fourth proportional to 714,842.94, 985,649.85 and 533,239.59 is: 735,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,842.94 : 985,649.85 = 533,239.59 : x
  2. Step 2: Convert to fraction form
    714,842.94/985,649.85 = 533,239.59/x
  3. Step 3: Cross multiply
    714,842.94x = 985,649.85 × 533,239.59
  4. Step 4: Simplify right side
    714,842.94x = 525,587,521,897.56
  5. Step 5: Solve for x
    x = 525,587,521,897.56/714,842.94
  6. Step 6: Final answer
    x = 735,248.95

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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.