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Finding the Fourth Proportional to 506,334.90, 758,837.95 and 372,588.90

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Solution

The fourth proportional to 506,334.90, 758,837.95 and 372,588.90 is: 558,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,334.90 : 758,837.95 = 372,588.90 : x
  2. Step 2: Convert to fraction form
    506,334.90/758,837.95 = 372,588.90/x
  3. Step 3: Cross multiply
    506,334.90x = 758,837.95 × 372,588.90
  4. Step 4: Simplify right side
    506,334.90x = 282,734,597,068.76
  5. Step 5: Solve for x
    x = 282,734,597,068.76/506,334.90
  6. Step 6: Final answer
    x = 558,394.45

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Double scale
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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.