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Finding the Fourth Proportional to 528,159.52, 728,846.48 and 301,805.04

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Solution

The fourth proportional to 528,159.52, 728,846.48 and 301,805.04 is: 416,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,159.52 : 728,846.48 = 301,805.04 : x
  2. Step 2: Convert to fraction form
    528,159.52/728,846.48 = 301,805.04/x
  3. Step 3: Cross multiply
    528,159.52x = 728,846.48 × 301,805.04
  4. Step 4: Simplify right side
    528,159.52x = 219,969,541,050.26
  5. Step 5: Solve for x
    x = 219,969,541,050.26/528,159.52
  6. Step 6: Final answer
    x = 416,483.15

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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.