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Finding the Fourth Proportional to 440,483.13, 607,815.14 and 259,155.18

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Solution

The fourth proportional to 440,483.13, 607,815.14 and 259,155.18 is: 357,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,483.13 : 607,815.14 = 259,155.18 : x
  2. Step 2: Convert to fraction form
    440,483.13/607,815.14 = 259,155.18/x
  3. Step 3: Cross multiply
    440,483.13x = 607,815.14 × 259,155.18
  4. Step 4: Simplify right side
    440,483.13x = 157,518,442,013.43
  5. Step 5: Solve for x
    x = 157,518,442,013.43/440,483.13
  6. Step 6: Final answer
    x = 357,603.80

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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.