Home / 369,870.30-554,805.45-355,355.10

Finding the Fourth Proportional to 369,870.30, 554,805.45 and 355,355.10

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Solution

The fourth proportional to 369,870.30, 554,805.45 and 355,355.10 is: 533,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,870.30 : 554,805.45 = 355,355.10 : x
  2. Step 2: Convert to fraction form
    369,870.30/554,805.45 = 355,355.10/x
  3. Step 3: Cross multiply
    369,870.30x = 554,805.45 × 355,355.10
  4. Step 4: Simplify right side
    369,870.30x = 197,152,946,165.30
  5. Step 5: Solve for x
    x = 197,152,946,165.30/369,870.30
  6. Step 6: Final answer
    x = 533,032.65

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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.