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Finding the Fourth Proportional to 559,443.93, 772,032.72 and 304,795.14

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Solution

The fourth proportional to 559,443.93, 772,032.72 and 304,795.14 is: 420,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,443.93 : 772,032.72 = 304,795.14 : x
  2. Step 2: Convert to fraction form
    559,443.93/772,032.72 = 304,795.14/x
  3. Step 3: Cross multiply
    559,443.93x = 772,032.72 × 304,795.14
  4. Step 4: Simplify right side
    559,443.93x = 235,311,820,976.98
  5. Step 5: Solve for x
    x = 235,311,820,976.98/559,443.93
  6. Step 6: Final answer
    x = 420,617.35

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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.