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Finding the Fourth Proportional to 589,007.60, 812,808.86 and 359,948.20

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Solution

The fourth proportional to 589,007.60, 812,808.86 and 359,948.20 is: 496,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,007.60 : 812,808.86 = 359,948.20 : x
  2. Step 2: Convert to fraction form
    589,007.60/812,808.86 = 359,948.20/x
  3. Step 3: Cross multiply
    589,007.60x = 812,808.86 × 359,948.20
  4. Step 4: Simplify right side
    589,007.60x = 292,569,086,101.05
  5. Step 5: Solve for x
    x = 292,569,086,101.05/589,007.60
  6. Step 6: Final answer
    x = 496,715.30

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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.