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Finding the Fourth Proportional to 624,269.10, 936,403.65 and 499,853.10

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Solution

The fourth proportional to 624,269.10, 936,403.65 and 499,853.10 is: 749,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,269.10 : 936,403.65 = 499,853.10 : x
  2. Step 2: Convert to fraction form
    624,269.10/936,403.65 = 499,853.10/x
  3. Step 3: Cross multiply
    624,269.10x = 936,403.65 × 499,853.10
  4. Step 4: Simplify right side
    624,269.10x = 468,064,267,303.82
  5. Step 5: Solve for x
    x = 468,064,267,303.82/624,269.10
  6. Step 6: Final answer
    x = 749,779.65

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Double scale
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Similar ratio
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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.