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Finding the Fourth Proportional to 922,772.80, 1,384,159.20 and 502,868.80

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Solution

The fourth proportional to 922,772.80, 1,384,159.20 and 502,868.80 is: 754,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,772.80 : 1,384,159.20 = 502,868.80 : x
  2. Step 2: Convert to fraction form
    922,772.80/1,384,159.20 = 502,868.80/x
  3. Step 3: Cross multiply
    922,772.80x = 1,384,159.20 × 502,868.80
  4. Step 4: Simplify right side
    922,772.80x = 696,050,475,912.96
  5. Step 5: Solve for x
    x = 696,050,475,912.96/922,772.80
  6. Step 6: Final answer
    x = 754,303.20

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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.