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Finding the Fourth Proportional to 621,659.47, 932,486.12 and 537,162.50

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Solution

The fourth proportional to 621,659.47, 932,486.12 and 537,162.50 is: 805,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,659.47 : 932,486.12 = 537,162.50 : x
  2. Step 2: Convert to fraction form
    621,659.47/932,486.12 = 537,162.50/x
  3. Step 3: Cross multiply
    621,659.47x = 932,486.12 × 537,162.50
  4. Step 4: Simplify right side
    621,659.47x = 500,896,572,114.98
  5. Step 5: Solve for x
    x = 500,896,572,114.98/621,659.47
  6. Step 6: Final answer
    x = 805,741.08

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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.