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Finding the Fourth Proportional to 607,226.60, 910,839.90 and 291,607.40

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Solution

The fourth proportional to 607,226.60, 910,839.90 and 291,607.40 is: 437,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,226.60 : 910,839.90 = 291,607.40 : x
  2. Step 2: Convert to fraction form
    607,226.60/910,839.90 = 291,607.40/x
  3. Step 3: Cross multiply
    607,226.60x = 910,839.90 × 291,607.40
  4. Step 4: Simplify right side
    607,226.60x = 265,607,655,055.26
  5. Step 5: Solve for x
    x = 265,607,655,055.26/607,226.60
  6. Step 6: Final answer
    x = 437,411.10

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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.