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Finding the Fourth Proportional to 451,642.76, 623,266.03 and 260,656.16

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Solution

The fourth proportional to 451,642.76, 623,266.03 and 260,656.16 is: 359,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,642.76 : 623,266.03 = 260,656.16 : x
  2. Step 2: Convert to fraction form
    451,642.76/623,266.03 = 260,656.16/x
  3. Step 3: Cross multiply
    451,642.76x = 623,266.03 × 260,656.16
  4. Step 4: Simplify right side
    451,642.76x = 162,458,130,038.25
  5. Step 5: Solve for x
    x = 162,458,130,038.25/451,642.76
  6. Step 6: Final answer
    x = 359,704.94

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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.