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Finding the Fourth Proportional to 528,294.76, 729,097.06 and 301,896.36

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Solution

The fourth proportional to 528,294.76, 729,097.06 and 301,896.36 is: 416,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,294.76 : 729,097.06 = 301,896.36 : x
  2. Step 2: Convert to fraction form
    528,294.76/729,097.06 = 301,896.36/x
  3. Step 3: Cross multiply
    528,294.76x = 729,097.06 × 301,896.36
  4. Step 4: Simplify right side
    528,294.76x = 220,111,748,500.70
  5. Step 5: Solve for x
    x = 220,111,748,500.70/528,294.76
  6. Step 6: Final answer
    x = 416,645.72

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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.