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Finding the Fourth Proportional to 452,842.79, 679,222.53 and 153,289.13

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Solution

The fourth proportional to 452,842.79, 679,222.53 and 153,289.13 is: 229,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,842.79 : 679,222.53 = 153,289.13 : x
  2. Step 2: Convert to fraction form
    452,842.79/679,222.53 = 153,289.13/x
  3. Step 3: Cross multiply
    452,842.79x = 679,222.53 × 153,289.13
  4. Step 4: Simplify right side
    452,842.79x = 104,117,427,303.99
  5. Step 5: Solve for x
    x = 104,117,427,303.99/452,842.79
  6. Step 6: Final answer
    x = 229,919.59

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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.