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Finding the Fourth Proportional to 528,061.65, 741,152.55 and 528,061.65

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Solution

The fourth proportional to 528,061.65, 741,152.55 and 528,061.65 is: 741,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,061.65 : 741,152.55 = 528,061.65 : x
  2. Step 2: Convert to fraction form
    528,061.65/741,152.55 = 528,061.65/x
  3. Step 3: Cross multiply
    528,061.65x = 741,152.55 × 528,061.65
  4. Step 4: Simplify right side
    528,061.65x = 391,374,238,454.71
  5. Step 5: Solve for x
    x = 391,374,238,454.71/528,061.65
  6. Step 6: Final answer
    x = 741,152.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.