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Finding the Fourth Proportional to 403,301.70, 604,952.55 and 383,618.70

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Solution

The fourth proportional to 403,301.70, 604,952.55 and 383,618.70 is: 575,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,301.70 : 604,952.55 = 383,618.70 : x
  2. Step 2: Convert to fraction form
    403,301.70/604,952.55 = 383,618.70/x
  3. Step 3: Cross multiply
    403,301.70x = 604,952.55 × 383,618.70
  4. Step 4: Simplify right side
    403,301.70x = 232,071,110,792.69
  5. Step 5: Solve for x
    x = 232,071,110,792.69/403,301.70
  6. Step 6: Final answer
    x = 575,428.05

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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.