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Finding the Fourth Proportional to 909,091, 1,363,833.36 and 348,125.52

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Solution

The fourth proportional to 909,091, 1,363,833.36 and 348,125.52 is: 522,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,091 : 1,363,833.36 = 348,125.52 : x
  2. Step 2: Convert to fraction form
    909,091/1,363,833.36 = 348,125.52/x
  3. Step 3: Cross multiply
    909,091x = 1,363,833.36 × 348,125.52
  4. Step 4: Simplify right side
    909,091x = 474,785,197,643.35
  5. Step 5: Solve for x
    x = 474,785,197,643.35/909,091
  6. Step 6: Final answer
    x = 522,263.67

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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.