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Finding the Fourth Proportional to 514,527.68, 710,295 and 361,696.88

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Solution

The fourth proportional to 514,527.68, 710,295 and 361,696.88 is: 499,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,527.68 : 710,295 = 361,696.88 : x
  2. Step 2: Convert to fraction form
    514,527.68/710,295 = 361,696.88/x
  3. Step 3: Cross multiply
    514,527.68x = 710,295 × 361,696.88
  4. Step 4: Simplify right side
    514,527.68x = 256,911,485,379.60
  5. Step 5: Solve for x
    x = 256,911,485,379.60/514,527.68
  6. Step 6: Final answer
    x = 499,315.19

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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.