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Finding the Fourth Proportional to 261,365.32, 360,679.36 and 146,646.08

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Solution

The fourth proportional to 261,365.32, 360,679.36 and 146,646.08 is: 202,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,365.32 : 360,679.36 = 146,646.08 : x
  2. Step 2: Convert to fraction form
    261,365.32/360,679.36 = 146,646.08/x
  3. Step 3: Cross multiply
    261,365.32x = 360,679.36 × 146,646.08
  4. Step 4: Simplify right side
    261,365.32x = 52,892,214,280.91
  5. Step 5: Solve for x
    x = 52,892,214,280.91/261,365.32
  6. Step 6: Final answer
    x = 202,368.91

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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.