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Finding the Fourth Proportional to 888,612.34, 1,226,254.53 and 506,762.02

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Solution

The fourth proportional to 888,612.34, 1,226,254.53 and 506,762.02 is: 699,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,612.34 : 1,226,254.53 = 506,762.02 : x
  2. Step 2: Convert to fraction form
    888,612.34/1,226,254.53 = 506,762.02/x
  3. Step 3: Cross multiply
    888,612.34x = 1,226,254.53 × 506,762.02
  4. Step 4: Simplify right side
    888,612.34x = 621,419,222,656.95
  5. Step 5: Solve for x
    x = 621,419,222,656.95/888,612.34
  6. Step 6: Final answer
    x = 699,314.19

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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.