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Finding the Fourth Proportional to 369,117.30, 553,675.95 and 251,019.30

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Solution

The fourth proportional to 369,117.30, 553,675.95 and 251,019.30 is: 376,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,117.30 : 553,675.95 = 251,019.30 : x
  2. Step 2: Convert to fraction form
    369,117.30/553,675.95 = 251,019.30/x
  3. Step 3: Cross multiply
    369,117.30x = 553,675.95 × 251,019.30
  4. Step 4: Simplify right side
    369,117.30x = 138,983,349,395.84
  5. Step 5: Solve for x
    x = 138,983,349,395.84/369,117.30
  6. Step 6: Final answer
    x = 376,528.95

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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.