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Finding the Fourth Proportional to 671,802.60, 927,278.10 and 442,527.24

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Solution

The fourth proportional to 671,802.60, 927,278.10 and 442,527.24 is: 610,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,802.60 : 927,278.10 = 442,527.24 : x
  2. Step 2: Convert to fraction form
    671,802.60/927,278.10 = 442,527.24/x
  3. Step 3: Cross multiply
    671,802.60x = 927,278.10 × 442,527.24
  4. Step 4: Simplify right side
    671,802.60x = 410,345,818,305.44
  5. Step 5: Solve for x
    x = 410,345,818,305.44/671,802.60
  6. Step 6: Final answer
    x = 610,813.08

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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.