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Finding the Fourth Proportional to 557,088.32, 836,222.88 and 346,874.24

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Solution

The fourth proportional to 557,088.32, 836,222.88 and 346,874.24 is: 520,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,088.32 : 836,222.88 = 346,874.24 : x
  2. Step 2: Convert to fraction form
    557,088.32/836,222.88 = 346,874.24/x
  3. Step 3: Cross multiply
    557,088.32x = 836,222.88 × 346,874.24
  4. Step 4: Simplify right side
    557,088.32x = 290,064,175,970.61
  5. Step 5: Solve for x
    x = 290,064,175,970.61/557,088.32
  6. Step 6: Final answer
    x = 520,678.98

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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.