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Finding the Fourth Proportional to 556,908.93, 768,535.10 and 302,260.13

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Solution

The fourth proportional to 556,908.93, 768,535.10 and 302,260.13 is: 417,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,908.93 : 768,535.10 = 302,260.13 : x
  2. Step 2: Convert to fraction form
    556,908.93/768,535.10 = 302,260.13/x
  3. Step 3: Cross multiply
    556,908.93x = 768,535.10 × 302,260.13
  4. Step 4: Simplify right side
    556,908.93x = 232,297,513,881.59
  5. Step 5: Solve for x
    x = 232,297,513,881.59/556,908.93
  6. Step 6: Final answer
    x = 417,119.39

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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.