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Finding the Fourth Proportional to 508,281.23, 762,427.32 and 153,298.33

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Solution

The fourth proportional to 508,281.23, 762,427.32 and 153,298.33 is: 229,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,281.23 : 762,427.32 = 153,298.33 : x
  2. Step 2: Convert to fraction form
    508,281.23/762,427.32 = 153,298.33/x
  3. Step 3: Cross multiply
    508,281.23x = 762,427.32 × 153,298.33
  4. Step 4: Simplify right side
    508,281.23x = 116,878,832,421.44
  5. Step 5: Solve for x
    x = 116,878,832,421.44/508,281.23
  6. Step 6: Final answer
    x = 229,949.14

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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.