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Finding the Fourth Proportional to 456,952.76, 630,603.18 and 255,748.28

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Solution

The fourth proportional to 456,952.76, 630,603.18 and 255,748.28 is: 352,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,952.76 : 630,603.18 = 255,748.28 : x
  2. Step 2: Convert to fraction form
    456,952.76/630,603.18 = 255,748.28/x
  3. Step 3: Cross multiply
    456,952.76x = 630,603.18 × 255,748.28
  4. Step 4: Simplify right side
    456,952.76x = 161,275,678,647.53
  5. Step 5: Solve for x
    x = 161,275,678,647.53/456,952.76
  6. Step 6: Final answer
    x = 352,937.31

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Double scale
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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.