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Finding the Fourth Proportional to 573,442.60, 859,386.30 and 383,362.60

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Solution

The fourth proportional to 573,442.60, 859,386.30 and 383,362.60 is: 574,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,442.60 : 859,386.30 = 383,362.60 : x
  2. Step 2: Convert to fraction form
    573,442.60/859,386.30 = 383,362.60/x
  3. Step 3: Cross multiply
    573,442.60x = 859,386.30 × 383,362.60
  4. Step 4: Simplify right side
    573,442.60x = 329,456,566,372.38
  5. Step 5: Solve for x
    x = 329,456,566,372.38/573,442.60
  6. Step 6: Final answer
    x = 574,524.05

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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.