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Finding the Fourth Proportional to 424,021.48, 585,114.98 and 242,692.04

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Solution

The fourth proportional to 424,021.48, 585,114.98 and 242,692.04 is: 334,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,021.48 : 585,114.98 = 242,692.04 : x
  2. Step 2: Convert to fraction form
    424,021.48/585,114.98 = 242,692.04/x
  3. Step 3: Cross multiply
    424,021.48x = 585,114.98 × 242,692.04
  4. Step 4: Simplify right side
    424,021.48x = 142,002,748,130.76
  5. Step 5: Solve for x
    x = 142,002,748,130.76/424,021.48
  6. Step 6: Final answer
    x = 334,895.18

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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.