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Finding the Fourth Proportional to 292,089.88, 402,718.80 and 243,761.32

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Solution

The fourth proportional to 292,089.88, 402,718.80 and 243,761.32 is: 336,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,089.88 : 402,718.80 = 243,761.32 : x
  2. Step 2: Convert to fraction form
    292,089.88/402,718.80 = 243,761.32/x
  3. Step 3: Cross multiply
    292,089.88x = 402,718.80 × 243,761.32
  4. Step 4: Simplify right side
    292,089.88x = 98,167,266,276.82
  5. Step 5: Solve for x
    x = 98,167,266,276.82/292,089.88
  6. Step 6: Final answer
    x = 336,085.82

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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.