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Finding the Fourth Proportional to 518,822.04, 778,256.90 and 158,967.12

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Solution

The fourth proportional to 518,822.04, 778,256.90 and 158,967.12 is: 238,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,822.04 : 778,256.90 = 158,967.12 : x
  2. Step 2: Convert to fraction form
    518,822.04/778,256.90 = 158,967.12/x
  3. Step 3: Cross multiply
    518,822.04x = 778,256.90 × 158,967.12
  4. Step 4: Simplify right side
    518,822.04x = 123,717,258,013.13
  5. Step 5: Solve for x
    x = 123,717,258,013.13/518,822.04
  6. Step 6: Final answer
    x = 238,457.98

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1.5x scale

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.