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Finding the Fourth Proportional to 586,904.40, 880,421.40 and 187,477.20

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Solution

The fourth proportional to 586,904.40, 880,421.40 and 187,477.20 is: 281,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,904.40 : 880,421.40 = 187,477.20 : x
  2. Step 2: Convert to fraction form
    586,904.40/880,421.40 = 187,477.20/x
  3. Step 3: Cross multiply
    586,904.40x = 880,421.40 × 187,477.20
  4. Step 4: Simplify right side
    586,904.40x = 165,058,938,892.08
  5. Step 5: Solve for x
    x = 165,058,938,892.08/586,904.40
  6. Step 6: Final answer
    x = 281,236.50

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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.