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Finding the Fourth Proportional to 574,312.71, 790,842.27 and 561,568.42

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Solution

The fourth proportional to 574,312.71, 790,842.27 and 561,568.42 is: 773,293.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,312.71 : 790,842.27 = 561,568.42 : x
  2. Step 2: Convert to fraction form
    574,312.71/790,842.27 = 561,568.42/x
  3. Step 3: Cross multiply
    574,312.71x = 790,842.27 × 561,568.42
  4. Step 4: Simplify right side
    574,312.71x = 444,112,041,225.27
  5. Step 5: Solve for x
    x = 444,112,041,225.27/574,312.71
  6. Step 6: Final answer
    x = 773,293.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.