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Finding the Fourth Proportional to 607,544.10, 911,316.15 and 291,924.90

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Solution

The fourth proportional to 607,544.10, 911,316.15 and 291,924.90 is: 437,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,544.10 : 911,316.15 = 291,924.90 : x
  2. Step 2: Convert to fraction form
    607,544.10/911,316.15 = 291,924.90/x
  3. Step 3: Cross multiply
    607,544.10x = 911,316.15 × 291,924.90
  4. Step 4: Simplify right side
    607,544.10x = 266,035,875,957.14
  5. Step 5: Solve for x
    x = 266,035,875,957.14/607,544.10
  6. Step 6: Final answer
    x = 437,887.35

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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.