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Finding the Fourth Proportional to 508,672.30, 762,973.14 and 153,688.18

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Solution

The fourth proportional to 508,672.30, 762,973.14 and 153,688.18 is: 230,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,672.30 : 762,973.14 = 153,688.18 : x
  2. Step 2: Convert to fraction form
    508,672.30/762,973.14 = 153,688.18/x
  3. Step 3: Cross multiply
    508,672.30x = 762,973.14 × 153,688.18
  4. Step 4: Simplify right side
    508,672.30x = 117,259,953,275.49
  5. Step 5: Solve for x
    x = 117,259,953,275.49/508,672.30
  6. Step 6: Final answer
    x = 230,521.60

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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.