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Finding the Fourth Proportional to 676,113, 933,000.46 and 370,130.72

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Solution

The fourth proportional to 676,113, 933,000.46 and 370,130.72 is: 510,760.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,113 : 933,000.46 = 370,130.72 : x
  2. Step 2: Convert to fraction form
    676,113/933,000.46 = 370,130.72/x
  3. Step 3: Cross multiply
    676,113x = 933,000.46 × 370,130.72
  4. Step 4: Simplify right side
    676,113x = 345,332,132,020.13
  5. Step 5: Solve for x
    x = 345,332,132,020.13/676,113
  6. Step 6: Final answer
    x = 510,760.97

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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.