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Finding the Fourth Proportional to 566,925.93, 782,359.92 and 312,276.51

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Solution

The fourth proportional to 566,925.93, 782,359.92 and 312,276.51 is: 430,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,925.93 : 782,359.92 = 312,276.51 : x
  2. Step 2: Convert to fraction form
    566,925.93/782,359.92 = 312,276.51/x
  3. Step 3: Cross multiply
    566,925.93x = 782,359.92 × 312,276.51
  4. Step 4: Simplify right side
    566,925.93x = 244,312,625,381.48
  5. Step 5: Solve for x
    x = 244,312,625,381.48/566,925.93
  6. Step 6: Final answer
    x = 430,942.76

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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.