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Finding the Fourth Proportional to 318,677.94, 478,098.90 and 94,029.30

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Solution

The fourth proportional to 318,677.94, 478,098.90 and 94,029.30 is: 141,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,677.94 : 478,098.90 = 94,029.30 : x
  2. Step 2: Convert to fraction form
    318,677.94/478,098.90 = 94,029.30/x
  3. Step 3: Cross multiply
    318,677.94x = 478,098.90 × 94,029.30
  4. Step 4: Simplify right side
    318,677.94x = 44,955,304,897.77
  5. Step 5: Solve for x
    x = 44,955,304,897.77/318,677.94
  6. Step 6: Final answer
    x = 141,068.14

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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.