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Finding the Fourth Proportional to 621,870.60, 933,036.30 and 598,830.60

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Solution

The fourth proportional to 621,870.60, 933,036.30 and 598,830.60 is: 898,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,870.60 : 933,036.30 = 598,830.60 : x
  2. Step 2: Convert to fraction form
    621,870.60/933,036.30 = 598,830.60/x
  3. Step 3: Cross multiply
    621,870.60x = 933,036.30 × 598,830.60
  4. Step 4: Simplify right side
    621,870.60x = 558,730,687,350.78
  5. Step 5: Solve for x
    x = 558,730,687,350.78/621,870.60
  6. Step 6: Final answer
    x = 898,467.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.