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Finding the Fourth Proportional to 528,063.35, 792,141.62 and 148,987.40

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Solution

The fourth proportional to 528,063.35, 792,141.62 and 148,987.40 is: 223,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,063.35 : 792,141.62 = 148,987.40 : x
  2. Step 2: Convert to fraction form
    528,063.35/792,141.62 = 148,987.40/x
  3. Step 3: Cross multiply
    528,063.35x = 792,141.62 × 148,987.40
  4. Step 4: Simplify right side
    528,063.35x = 118,019,115,689.94
  5. Step 5: Solve for x
    x = 118,019,115,689.94/528,063.35
  6. Step 6: Final answer
    x = 223,494.24

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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.