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Finding the Fourth Proportional to 295,014.90, 406,728.59 and 192,864.74

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Solution

The fourth proportional to 295,014.90, 406,728.59 and 192,864.74 is: 265,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,014.90 : 406,728.59 = 192,864.74 : x
  2. Step 2: Convert to fraction form
    295,014.90/406,728.59 = 192,864.74/x
  3. Step 3: Cross multiply
    295,014.90x = 406,728.59 × 192,864.74
  4. Step 4: Simplify right side
    295,014.90x = 78,443,600,762.95
  5. Step 5: Solve for x
    x = 78,443,600,762.95/295,014.90
  6. Step 6: Final answer
    x = 265,897.08

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1.5x scale

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.