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Finding the Fourth Proportional to 575,219.60, 862,829.40 and 519,232.40

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Solution

The fourth proportional to 575,219.60, 862,829.40 and 519,232.40 is: 778,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,219.60 : 862,829.40 = 519,232.40 : x
  2. Step 2: Convert to fraction form
    575,219.60/862,829.40 = 519,232.40/x
  3. Step 3: Cross multiply
    575,219.60x = 862,829.40 × 519,232.40
  4. Step 4: Simplify right side
    575,219.60x = 448,008,980,152.56
  5. Step 5: Solve for x
    x = 448,008,980,152.56/575,219.60
  6. Step 6: Final answer
    x = 778,848.60

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Similar ratio
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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.