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Finding the Fourth Proportional to 562,833.07, 776,701.90 and 308,184.23

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Solution

The fourth proportional to 562,833.07, 776,701.90 and 308,184.23 is: 425,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,833.07 : 776,701.90 = 308,184.23 : x
  2. Step 2: Convert to fraction form
    562,833.07/776,701.90 = 308,184.23/x
  3. Step 3: Cross multiply
    562,833.07x = 776,701.90 × 308,184.23
  4. Step 4: Simplify right side
    562,833.07x = 239,367,276,991.04
  5. Step 5: Solve for x
    x = 239,367,276,991.04/562,833.07
  6. Step 6: Final answer
    x = 425,290.00

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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.