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Finding the Fourth Proportional to 613,927.71, 921,519.96 and 506,970.88

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Solution

The fourth proportional to 613,927.71, 921,519.96 and 506,970.88 is: 760,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,927.71 : 921,519.96 = 506,970.88 : x
  2. Step 2: Convert to fraction form
    613,927.71/921,519.96 = 506,970.88/x
  3. Step 3: Cross multiply
    613,927.71x = 921,519.96 × 506,970.88
  4. Step 4: Simplify right side
    613,927.71x = 467,183,785,058.77
  5. Step 5: Solve for x
    x = 467,183,785,058.77/613,927.71
  6. Step 6: Final answer
    x = 760,975.24

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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.