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Finding the Fourth Proportional to 562,801.52, 776,666.04 and 308,153.36

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Solution

The fourth proportional to 562,801.52, 776,666.04 and 308,153.36 is: 425,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,801.52 : 776,666.04 = 308,153.36 : x
  2. Step 2: Convert to fraction form
    562,801.52/776,666.04 = 308,153.36/x
  3. Step 3: Cross multiply
    562,801.52x = 776,666.04 × 308,153.36
  4. Step 4: Simplify right side
    562,801.52x = 239,332,249,823.89
  5. Step 5: Solve for x
    x = 239,332,249,823.89/562,801.52
  6. Step 6: Final answer
    x = 425,251.61

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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.