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Finding the Fourth Proportional to 508,283.19, 762,430.25 and 153,300.29

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Solution

The fourth proportional to 508,283.19, 762,430.25 and 153,300.29 is: 229,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,283.19 : 762,430.25 = 153,300.29 : x
  2. Step 2: Convert to fraction form
    508,283.19/762,430.25 = 153,300.29/x
  3. Step 3: Cross multiply
    508,283.19x = 762,430.25 × 153,300.29
  4. Step 4: Simplify right side
    508,283.19x = 116,880,773,851.12
  5. Step 5: Solve for x
    x = 116,880,773,851.12/508,283.19
  6. Step 6: Final answer
    x = 229,952.07

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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.