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Finding the Fourth Proportional to 552,641.58, 828,962.21 and 153,282.40

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Solution

The fourth proportional to 552,641.58, 828,962.21 and 153,282.40 is: 229,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,641.58 : 828,962.21 = 153,282.40 : x
  2. Step 2: Convert to fraction form
    552,641.58/828,962.21 = 153,282.40/x
  3. Step 3: Cross multiply
    552,641.58x = 828,962.21 × 153,282.40
  4. Step 4: Simplify right side
    552,641.58x = 127,065,315,368.90
  5. Step 5: Solve for x
    x = 127,065,315,368.90/552,641.58
  6. Step 6: Final answer
    x = 229,923.55

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Double scale
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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.