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Finding the Fourth Proportional to 443,560.13, 612,113.52 and 242,356.13

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Solution

The fourth proportional to 443,560.13, 612,113.52 and 242,356.13 is: 334,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,560.13 : 612,113.52 = 242,356.13 : x
  2. Step 2: Convert to fraction form
    443,560.13/612,113.52 = 242,356.13/x
  3. Step 3: Cross multiply
    443,560.13x = 612,113.52 × 242,356.13
  4. Step 4: Simplify right side
    443,560.13x = 148,349,460,767.31
  5. Step 5: Solve for x
    x = 148,349,460,767.31/443,560.13
  6. Step 6: Final answer
    x = 334,451.75

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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.