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Finding the Fourth Proportional to 530,548, 732,156.48 and 292,084

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Solution

The fourth proportional to 530,548, 732,156.48 and 292,084 is: 403,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,548 : 732,156.48 = 292,084 : x
  2. Step 2: Convert to fraction form
    530,548/732,156.48 = 292,084/x
  3. Step 3: Cross multiply
    530,548x = 732,156.48 × 292,084
  4. Step 4: Simplify right side
    530,548x = 213,851,193,304.32
  5. Step 5: Solve for x
    x = 213,851,193,304.32/530,548
  6. Step 6: Final answer
    x = 403,076.05

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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.