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Finding the Fourth Proportional to 460,125.42, 634,808.72 and 266,427.40

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Solution

The fourth proportional to 460,125.42, 634,808.72 and 266,427.40 is: 367,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,125.42 : 634,808.72 = 266,427.40 : x
  2. Step 2: Convert to fraction form
    460,125.42/634,808.72 = 266,427.40/x
  3. Step 3: Cross multiply
    460,125.42x = 634,808.72 × 266,427.40
  4. Step 4: Simplify right side
    460,125.42x = 169,130,436,766.93
  5. Step 5: Solve for x
    x = 169,130,436,766.93/460,125.42
  6. Step 6: Final answer
    x = 367,574.64

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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.