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Finding the Fourth Proportional to 560,503.10, 840,888.12 and 181,423.91

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Solution

The fourth proportional to 560,503.10, 840,888.12 and 181,423.91 is: 272,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,503.10 : 840,888.12 = 181,423.91 : x
  2. Step 2: Convert to fraction form
    560,503.10/840,888.12 = 181,423.91/x
  3. Step 3: Cross multiply
    560,503.10x = 840,888.12 × 181,423.91
  4. Step 4: Simplify right side
    560,503.10x = 152,557,213,385.51
  5. Step 5: Solve for x
    x = 152,557,213,385.51/560,503.10
  6. Step 6: Final answer
    x = 272,179.07

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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.