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Finding the Fourth Proportional to 586,892.40, 880,403.40 and 187,465.20

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Solution

The fourth proportional to 586,892.40, 880,403.40 and 187,465.20 is: 281,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,892.40 : 880,403.40 = 187,465.20 : x
  2. Step 2: Convert to fraction form
    586,892.40/880,403.40 = 187,465.20/x
  3. Step 3: Cross multiply
    586,892.40x = 880,403.40 × 187,465.20
  4. Step 4: Simplify right side
    586,892.40x = 165,044,999,461.68
  5. Step 5: Solve for x
    x = 165,044,999,461.68/586,892.40
  6. Step 6: Final answer
    x = 281,218.50

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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.