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Finding the Fourth Proportional to 528,053.65, 741,141.35 and 528,053.65

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Solution

The fourth proportional to 528,053.65, 741,141.35 and 528,053.65 is: 741,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,053.65 : 741,141.35 = 528,053.65 : x
  2. Step 2: Convert to fraction form
    528,053.65/741,141.35 = 528,053.65/x
  3. Step 3: Cross multiply
    528,053.65x = 741,141.35 × 528,053.65
  4. Step 4: Simplify right side
    528,053.65x = 391,362,395,033.43
  5. Step 5: Solve for x
    x = 391,362,395,033.43/528,053.65
  6. Step 6: Final answer
    x = 741,141.35

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1.5x scale

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.