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Finding the Fourth Proportional to 438,001.44, 604,399.95 and 266,013.52

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Solution

The fourth proportional to 438,001.44, 604,399.95 and 266,013.52 is: 367,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,001.44 : 604,399.95 = 266,013.52 : x
  2. Step 2: Convert to fraction form
    438,001.44/604,399.95 = 266,013.52/x
  3. Step 3: Cross multiply
    438,001.44x = 604,399.95 × 266,013.52
  4. Step 4: Simplify right side
    438,001.44x = 160,778,558,187.32
  5. Step 5: Solve for x
    x = 160,778,558,187.32/438,001.44
  6. Step 6: Final answer
    x = 367,073.13

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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.