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Finding the Fourth Proportional to 388,894.19, 583,292.07 and 152,402.94

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Solution

The fourth proportional to 388,894.19, 583,292.07 and 152,402.94 is: 228,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,894.19 : 583,292.07 = 152,402.94 : x
  2. Step 2: Convert to fraction form
    388,894.19/583,292.07 = 152,402.94/x
  3. Step 3: Cross multiply
    388,894.19x = 583,292.07 × 152,402.94
  4. Step 4: Simplify right side
    388,894.19x = 88,895,426,346.69
  5. Step 5: Solve for x
    x = 88,895,426,346.69/388,894.19
  6. Step 6: Final answer
    x = 228,585.13

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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.