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Finding the Fourth Proportional to 411,337.61, 617,152.55 and 183,612.59

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Solution

The fourth proportional to 411,337.61, 617,152.55 and 183,612.59 is: 275,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,337.61 : 617,152.55 = 183,612.59 : x
  2. Step 2: Convert to fraction form
    411,337.61/617,152.55 = 183,612.59/x
  3. Step 3: Cross multiply
    411,337.61x = 617,152.55 × 183,612.59
  4. Step 4: Simplify right side
    411,337.61x = 113,316,978,130.61
  5. Step 5: Solve for x
    x = 113,316,978,130.61/411,337.61
  6. Step 6: Final answer
    x = 275,484.12

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1.5x scale

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.