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Finding the Fourth Proportional to 661,802.60, 992,703.90 and 588,319.40

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Solution

The fourth proportional to 661,802.60, 992,703.90 and 588,319.40 is: 882,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,802.60 : 992,703.90 = 588,319.40 : x
  2. Step 2: Convert to fraction form
    661,802.60/992,703.90 = 588,319.40/x
  3. Step 3: Cross multiply
    661,802.60x = 992,703.90 × 588,319.40
  4. Step 4: Simplify right side
    661,802.60x = 584,026,962,825.66
  5. Step 5: Solve for x
    x = 584,026,962,825.66/661,802.60
  6. Step 6: Final answer
    x = 882,479.10

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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.