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Finding the Fourth Proportional to 532,111.40, 746,822.20 and 532,111.40

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Solution

The fourth proportional to 532,111.40, 746,822.20 and 532,111.40 is: 746,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,111.40 : 746,822.20 = 532,111.40 : x
  2. Step 2: Convert to fraction form
    532,111.40/746,822.20 = 532,111.40/x
  3. Step 3: Cross multiply
    532,111.40x = 746,822.20 × 532,111.40
  4. Step 4: Simplify right side
    532,111.40x = 397,392,606,393.08
  5. Step 5: Solve for x
    x = 397,392,606,393.08/532,111.40
  6. Step 6: Final answer
    x = 746,822.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.