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Finding the Fourth Proportional to 526,955.61, 790,508.81 and 162,248.08

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Solution

The fourth proportional to 526,955.61, 790,508.81 and 162,248.08 is: 243,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,955.61 : 790,508.81 = 162,248.08 : x
  2. Step 2: Convert to fraction form
    526,955.61/790,508.81 = 162,248.08/x
  3. Step 3: Cross multiply
    526,955.61x = 790,508.81 × 162,248.08
  4. Step 4: Simplify right side
    526,955.61x = 128,258,533,402.88
  5. Step 5: Solve for x
    x = 128,258,533,402.88/526,955.61
  6. Step 6: Final answer
    x = 243,395.33

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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.