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Finding the Fourth Proportional to 519,095.22, 716,420.13 and 304,319.70

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Solution

The fourth proportional to 519,095.22, 716,420.13 and 304,319.70 is: 420,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,095.22 : 716,420.13 = 304,319.70 : x
  2. Step 2: Convert to fraction form
    519,095.22/716,420.13 = 304,319.70/x
  3. Step 3: Cross multiply
    519,095.22x = 716,420.13 × 304,319.70
  4. Step 4: Simplify right side
    519,095.22x = 218,020,759,035.56
  5. Step 5: Solve for x
    x = 218,020,759,035.56/519,095.22
  6. Step 6: Final answer
    x = 420,001.48

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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.