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Finding the Fourth Proportional to 507,123.66, 760,703.13 and 240,746.94

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Solution

The fourth proportional to 507,123.66, 760,703.13 and 240,746.94 is: 361,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,123.66 : 760,703.13 = 240,746.94 : x
  2. Step 2: Convert to fraction form
    507,123.66/760,703.13 = 240,746.94/x
  3. Step 3: Cross multiply
    507,123.66x = 760,703.13 × 240,746.94
  4. Step 4: Simplify right side
    507,123.66x = 183,136,950,795.92
  5. Step 5: Solve for x
    x = 183,136,950,795.92/507,123.66
  6. Step 6: Final answer
    x = 361,128.78

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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.