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Finding the Fourth Proportional to 701,686.74, 968,106.65 and 429,470.85

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Solution

The fourth proportional to 701,686.74, 968,106.65 and 429,470.85 is: 592,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,686.74 : 968,106.65 = 429,470.85 : x
  2. Step 2: Convert to fraction form
    701,686.74/968,106.65 = 429,470.85/x
  3. Step 3: Cross multiply
    701,686.74x = 968,106.65 × 429,470.85
  4. Step 4: Simplify right side
    701,686.74x = 415,773,585,866.15
  5. Step 5: Solve for x
    x = 415,773,585,866.15/701,686.74
  6. Step 6: Final answer
    x = 592,534.48

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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.