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Finding the Fourth Proportional to 532,153.19, 798,143.49 and 152,987.54

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Solution

The fourth proportional to 532,153.19, 798,143.49 and 152,987.54 is: 229,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,153.19 : 798,143.49 = 152,987.54 : x
  2. Step 2: Convert to fraction form
    532,153.19/798,143.49 = 152,987.54/x
  3. Step 3: Cross multiply
    532,153.19x = 798,143.49 × 152,987.54
  4. Step 4: Simplify right side
    532,153.19x = 122,106,005,111.40
  5. Step 5: Solve for x
    x = 122,106,005,111.40/532,153.19
  6. Step 6: Final answer
    x = 229,456.49

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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.