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Finding the Fourth Proportional to 555,835.36, 833,338.32 and 260,278.24

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Solution

The fourth proportional to 555,835.36, 833,338.32 and 260,278.24 is: 390,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,835.36 : 833,338.32 = 260,278.24 : x
  2. Step 2: Convert to fraction form
    555,835.36/833,338.32 = 260,278.24/x
  3. Step 3: Cross multiply
    555,835.36x = 833,338.32 × 260,278.24
  4. Step 4: Simplify right side
    555,835.36x = 216,899,831,254.16
  5. Step 5: Solve for x
    x = 216,899,831,254.16/555,835.36
  6. Step 6: Final answer
    x = 390,223.16

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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.