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Finding the Fourth Proportional to 292,088.88, 402,717.42 and 243,760.32

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Solution

The fourth proportional to 292,088.88, 402,717.42 and 243,760.32 is: 336,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,088.88 : 402,717.42 = 243,760.32 : x
  2. Step 2: Convert to fraction form
    292,088.88/402,717.42 = 243,760.32/x
  3. Step 3: Cross multiply
    292,088.88x = 402,717.42 × 243,760.32
  4. Step 4: Simplify right side
    292,088.88x = 98,166,527,168.77
  5. Step 5: Solve for x
    x = 98,166,527,168.77/292,088.88
  6. Step 6: Final answer
    x = 336,084.44

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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.