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Finding the Fourth Proportional to 245,526.53, 368,305.39 and 77,053.51

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Solution

The fourth proportional to 245,526.53, 368,305.39 and 77,053.51 is: 115,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,526.53 : 368,305.39 = 77,053.51 : x
  2. Step 2: Convert to fraction form
    245,526.53/368,305.39 = 77,053.51/x
  3. Step 3: Cross multiply
    245,526.53x = 368,305.39 × 77,053.51
  4. Step 4: Simplify right side
    245,526.53x = 28,379,222,666.15
  5. Step 5: Solve for x
    x = 28,379,222,666.15/245,526.53
  6. Step 6: Final answer
    x = 115,585.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.