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Finding the Fourth Proportional to 565,053.77, 779,782.59 and 306,935.75

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Solution

The fourth proportional to 565,053.77, 779,782.59 and 306,935.75 is: 423,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,053.77 : 779,782.59 = 306,935.75 : x
  2. Step 2: Convert to fraction form
    565,053.77/779,782.59 = 306,935.75/x
  3. Step 3: Cross multiply
    565,053.77x = 779,782.59 × 306,935.75
  4. Step 4: Simplify right side
    565,053.77x = 239,343,154,098.59
  5. Step 5: Solve for x
    x = 239,343,154,098.59/565,053.77
  6. Step 6: Final answer
    x = 423,575.89

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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.