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Finding the Fourth Proportional to 369,592.95, 554,389.50 and 129,895.01

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Solution

The fourth proportional to 369,592.95, 554,389.50 and 129,895.01 is: 194,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,592.95 : 554,389.50 = 129,895.01 : x
  2. Step 2: Convert to fraction form
    369,592.95/554,389.50 = 129,895.01/x
  3. Step 3: Cross multiply
    369,592.95x = 554,389.50 × 129,895.01
  4. Step 4: Simplify right side
    369,592.95x = 72,012,430,545.26
  5. Step 5: Solve for x
    x = 72,012,430,545.26/369,592.95
  6. Step 6: Final answer
    x = 194,842.55

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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.