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Finding the Fourth Proportional to 425,007, 586,509.66 and 234,019.94

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Solution

The fourth proportional to 425,007, 586,509.66 and 234,019.94 is: 322,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,007 : 586,509.66 = 234,019.94 : x
  2. Step 2: Convert to fraction form
    425,007/586,509.66 = 234,019.94/x
  3. Step 3: Cross multiply
    425,007x = 586,509.66 × 234,019.94
  4. Step 4: Simplify right side
    425,007x = 137,254,952,510.07
  5. Step 5: Solve for x
    x = 137,254,952,510.07/425,007
  6. Step 6: Final answer
    x = 322,947.51

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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.