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Finding the Fourth Proportional to 555,833.36, 833,335.32 and 260,276.24

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Solution

The fourth proportional to 555,833.36, 833,335.32 and 260,276.24 is: 390,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,833.36 : 833,335.32 = 260,276.24 : x
  2. Step 2: Convert to fraction form
    555,833.36/833,335.32 = 260,276.24/x
  3. Step 3: Cross multiply
    555,833.36x = 833,335.32 × 260,276.24
  4. Step 4: Simplify right side
    555,833.36x = 216,897,383,748.80
  5. Step 5: Solve for x
    x = 216,897,383,748.80/555,833.36
  6. Step 6: Final answer
    x = 390,220.16

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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.