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Finding the Fourth Proportional to 438,094.54, 604,570.45 and 236,890.54

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Solution

The fourth proportional to 438,094.54, 604,570.45 and 236,890.54 is: 326,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,094.54 : 604,570.45 = 236,890.54 : x
  2. Step 2: Convert to fraction form
    438,094.54/604,570.45 = 236,890.54/x
  3. Step 3: Cross multiply
    438,094.54x = 604,570.45 × 236,890.54
  4. Step 4: Simplify right side
    438,094.54x = 143,217,020,368.54
  5. Step 5: Solve for x
    x = 143,217,020,368.54/438,094.54
  6. Step 6: Final answer
    x = 326,908.94

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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.