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Finding the Fourth Proportional to 670,081.46, 924,715.41 and 368,294.90

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Solution

The fourth proportional to 670,081.46, 924,715.41 and 368,294.90 is: 508,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,081.46 : 924,715.41 = 368,294.90 : x
  2. Step 2: Convert to fraction form
    670,081.46/924,715.41 = 368,294.90/x
  3. Step 3: Cross multiply
    670,081.46x = 924,715.41 × 368,294.90
  4. Step 4: Simplify right side
    670,081.46x = 340,567,969,454.41
  5. Step 5: Solve for x
    x = 340,567,969,454.41/670,081.46
  6. Step 6: Final answer
    x = 508,248.61

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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.