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Finding the Fourth Proportional to 676,627.77, 933,516.42 and 386,030.58

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Solution

The fourth proportional to 676,627.77, 933,516.42 and 386,030.58 is: 532,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,627.77 : 933,516.42 = 386,030.58 : x
  2. Step 2: Convert to fraction form
    676,627.77/933,516.42 = 386,030.58/x
  3. Step 3: Cross multiply
    676,627.77x = 933,516.42 × 386,030.58
  4. Step 4: Simplify right side
    676,627.77x = 360,365,885,052.12
  5. Step 5: Solve for x
    x = 360,365,885,052.12/676,627.77
  6. Step 6: Final answer
    x = 532,591.04

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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.