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Finding the Fourth Proportional to 359,925.32, 540,215.40 and 191,587.16

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Solution

The fourth proportional to 359,925.32, 540,215.40 and 191,587.16 is: 287,555.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,925.32 : 540,215.40 = 191,587.16 : x
  2. Step 2: Convert to fraction form
    359,925.32/540,215.40 = 191,587.16/x
  3. Step 3: Cross multiply
    359,925.32x = 540,215.40 × 191,587.16
  4. Step 4: Simplify right side
    359,925.32x = 103,498,334,274.26
  5. Step 5: Solve for x
    x = 103,498,334,274.26/359,925.32
  6. Step 6: Final answer
    x = 287,555.02

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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.