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Finding the Fourth Proportional to 376,574.32, 519,480.40 and 240,465.16

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Solution

The fourth proportional to 376,574.32, 519,480.40 and 240,465.16 is: 331,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,574.32 : 519,480.40 = 240,465.16 : x
  2. Step 2: Convert to fraction form
    376,574.32/519,480.40 = 240,465.16/x
  3. Step 3: Cross multiply
    376,574.32x = 519,480.40 × 240,465.16
  4. Step 4: Simplify right side
    376,574.32x = 124,916,937,502.86
  5. Step 5: Solve for x
    x = 124,916,937,502.86/376,574.32
  6. Step 6: Final answer
    x = 331,719.21

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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.