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Finding the Fourth Proportional to 460,038.80, 690,058.20 and 348,064.40

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Solution

The fourth proportional to 460,038.80, 690,058.20 and 348,064.40 is: 522,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,038.80 : 690,058.20 = 348,064.40 : x
  2. Step 2: Convert to fraction form
    460,038.80/690,058.20 = 348,064.40/x
  3. Step 3: Cross multiply
    460,038.80x = 690,058.20 × 348,064.40
  4. Step 4: Simplify right side
    460,038.80x = 240,184,693,348.08
  5. Step 5: Solve for x
    x = 240,184,693,348.08/460,038.80
  6. Step 6: Final answer
    x = 522,096.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.