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Finding the Fourth Proportional to 510,038.91, 699,377.74 and 496,752.89

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Solution

The fourth proportional to 510,038.91, 699,377.74 and 496,752.89 is: 681,159.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,038.91 : 699,377.74 = 496,752.89 : x
  2. Step 2: Convert to fraction form
    510,038.91/699,377.74 = 496,752.89/x
  3. Step 3: Cross multiply
    510,038.91x = 699,377.74 × 496,752.89
  4. Step 4: Simplify right side
    510,038.91x = 347,417,908,807.90
  5. Step 5: Solve for x
    x = 347,417,908,807.90/510,038.91
  6. Step 6: Final answer
    x = 681,159.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.