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Finding the Fourth Proportional to 356,337.40, 534,506.10 and 169,713.40

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Solution

The fourth proportional to 356,337.40, 534,506.10 and 169,713.40 is: 254,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,337.40 : 534,506.10 = 169,713.40 : x
  2. Step 2: Convert to fraction form
    356,337.40/534,506.10 = 169,713.40/x
  3. Step 3: Cross multiply
    356,337.40x = 534,506.10 × 169,713.40
  4. Step 4: Simplify right side
    356,337.40x = 90,712,847,551.74
  5. Step 5: Solve for x
    x = 90,712,847,551.74/356,337.40
  6. Step 6: Final answer
    x = 254,570.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.