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Finding the Fourth Proportional to 220,417.44, 304,061.76 and 152,498.40

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Solution

The fourth proportional to 220,417.44, 304,061.76 and 152,498.40 is: 210,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,417.44 : 304,061.76 = 152,498.40 : x
  2. Step 2: Convert to fraction form
    220,417.44/304,061.76 = 152,498.40/x
  3. Step 3: Cross multiply
    220,417.44x = 304,061.76 × 152,498.40
  4. Step 4: Simplify right side
    220,417.44x = 46,368,931,901.18
  5. Step 5: Solve for x
    x = 46,368,931,901.18/220,417.44
  6. Step 6: Final answer
    x = 210,368.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.