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Finding the Fourth Proportional to 573,386.04, 860,088.24 and 218,420.28

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Solution

The fourth proportional to 573,386.04, 860,088.24 and 218,420.28 is: 327,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,386.04 : 860,088.24 = 218,420.28 : x
  2. Step 2: Convert to fraction form
    573,386.04/860,088.24 = 218,420.28/x
  3. Step 3: Cross multiply
    573,386.04x = 860,088.24 × 218,420.28
  4. Step 4: Simplify right side
    573,386.04x = 187,860,714,205.51
  5. Step 5: Solve for x
    x = 187,860,714,205.51/573,386.04
  6. Step 6: Final answer
    x = 327,633.92

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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.