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Finding the Fourth Proportional to 562,555.40, 776,320.95 and 304,426.82

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Solution

The fourth proportional to 562,555.40, 776,320.95 and 304,426.82 is: 420,106.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,555.40 : 776,320.95 = 304,426.82 : x
  2. Step 2: Convert to fraction form
    562,555.40/776,320.95 = 304,426.82/x
  3. Step 3: Cross multiply
    562,555.40x = 776,320.95 × 304,426.82
  4. Step 4: Simplify right side
    562,555.40x = 236,332,921,190.28
  5. Step 5: Solve for x
    x = 236,332,921,190.28/562,555.40
  6. Step 6: Final answer
    x = 420,106.04

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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.