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Finding the Fourth Proportional to 489,417.35, 734,126.03 and 365,001.35

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Solution

The fourth proportional to 489,417.35, 734,126.03 and 365,001.35 is: 547,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,417.35 : 734,126.03 = 365,001.35 : x
  2. Step 2: Convert to fraction form
    489,417.35/734,126.03 = 365,001.35/x
  3. Step 3: Cross multiply
    489,417.35x = 734,126.03 × 365,001.35
  4. Step 4: Simplify right side
    489,417.35x = 267,956,990,195.13
  5. Step 5: Solve for x
    x = 267,956,990,195.13/489,417.35
  6. Step 6: Final answer
    x = 547,502.03

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Double scale
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Similar ratio
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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.