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Finding the Fourth Proportional to 670,105.46, 924,748.54 and 368,318.90

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Solution

The fourth proportional to 670,105.46, 924,748.54 and 368,318.90 is: 508,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,105.46 : 924,748.54 = 368,318.90 : x
  2. Step 2: Convert to fraction form
    670,105.46/924,748.54 = 368,318.90/x
  3. Step 3: Cross multiply
    670,105.46x = 924,748.54 × 368,318.90
  4. Step 4: Simplify right side
    670,105.46x = 340,602,365,029.41
  5. Step 5: Solve for x
    x = 340,602,365,029.41/670,105.46
  6. Step 6: Final answer
    x = 508,281.73

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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.