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Finding the Fourth Proportional to 403,784.73, 604,966.23 and 359,802.90

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Solution

The fourth proportional to 403,784.73, 604,966.23 and 359,802.90 is: 539,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,784.73 : 604,966.23 = 359,802.90 : x
  2. Step 2: Convert to fraction form
    403,784.73/604,966.23 = 359,802.90/x
  3. Step 3: Cross multiply
    403,784.73x = 604,966.23 × 359,802.90
  4. Step 4: Simplify right side
    403,784.73x = 217,668,603,956.07
  5. Step 5: Solve for x
    x = 217,668,603,956.07/403,784.73
  6. Step 6: Final answer
    x = 539,070.92

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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.