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Finding the Fourth Proportional to 578,534.40, 867,801.60 and 526,924.80

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Solution

The fourth proportional to 578,534.40, 867,801.60 and 526,924.80 is: 790,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,534.40 : 867,801.60 = 526,924.80 : x
  2. Step 2: Convert to fraction form
    578,534.40/867,801.60 = 526,924.80/x
  3. Step 3: Cross multiply
    578,534.40x = 867,801.60 × 526,924.80
  4. Step 4: Simplify right side
    578,534.40x = 457,266,184,519.68
  5. Step 5: Solve for x
    x = 457,266,184,519.68/578,534.40
  6. Step 6: Final answer
    x = 790,387.20

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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.