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Finding the Fourth Proportional to 435,641.55, 601,114.80 and 272,278.79

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Solution

The fourth proportional to 435,641.55, 601,114.80 and 272,278.79 is: 375,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,641.55 : 601,114.80 = 272,278.79 : x
  2. Step 2: Convert to fraction form
    435,641.55/601,114.80 = 272,278.79/x
  3. Step 3: Cross multiply
    435,641.55x = 601,114.80 × 272,278.79
  4. Step 4: Simplify right side
    435,641.55x = 163,670,810,395.09
  5. Step 5: Solve for x
    x = 163,670,810,395.09/435,641.55
  6. Step 6: Final answer
    x = 375,700.64

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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.