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Finding the Fourth Proportional to 413,435.79, 570,603.33 and 252,384.21

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Solution

The fourth proportional to 413,435.79, 570,603.33 and 252,384.21 is: 348,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,435.79 : 570,603.33 = 252,384.21 : x
  2. Step 2: Convert to fraction form
    413,435.79/570,603.33 = 252,384.21/x
  3. Step 3: Cross multiply
    413,435.79x = 570,603.33 × 252,384.21
  4. Step 4: Simplify right side
    413,435.79x = 144,011,270,665.42
  5. Step 5: Solve for x
    x = 144,011,270,665.42/413,435.79
  6. Step 6: Final answer
    x = 348,328.02

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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.