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Finding the Fourth Proportional to 570,901.60, 856,352.40 and 382,895.20

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Solution

The fourth proportional to 570,901.60, 856,352.40 and 382,895.20 is: 574,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,901.60 : 856,352.40 = 382,895.20 : x
  2. Step 2: Convert to fraction form
    570,901.60/856,352.40 = 382,895.20/x
  3. Step 3: Cross multiply
    570,901.60x = 856,352.40 × 382,895.20
  4. Step 4: Simplify right side
    570,901.60x = 327,893,223,468.48
  5. Step 5: Solve for x
    x = 327,893,223,468.48/570,901.60
  6. Step 6: Final answer
    x = 574,342.80

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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.