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Finding the Fourth Proportional to 292,354, 438,545.40 and 95,362

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Solution

The fourth proportional to 292,354, 438,545.40 and 95,362 is: 143,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,354 : 438,545.40 = 95,362 : x
  2. Step 2: Convert to fraction form
    292,354/438,545.40 = 95,362/x
  3. Step 3: Cross multiply
    292,354x = 438,545.40 × 95,362
  4. Step 4: Simplify right side
    292,354x = 41,820,566,434.80
  5. Step 5: Solve for x
    x = 41,820,566,434.80/292,354
  6. Step 6: Final answer
    x = 143,047.70

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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.