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Finding the Fourth Proportional to 579,643.04, 865,242.24 and 536,904.32

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Solution

The fourth proportional to 579,643.04, 865,242.24 and 536,904.32 is: 801,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,643.04 : 865,242.24 = 536,904.32 : x
  2. Step 2: Convert to fraction form
    579,643.04/865,242.24 = 536,904.32/x
  3. Step 3: Cross multiply
    579,643.04x = 865,242.24 × 536,904.32
  4. Step 4: Simplify right side
    579,643.04x = 464,552,296,502.48
  5. Step 5: Solve for x
    x = 464,552,296,502.48/579,643.04
  6. Step 6: Final answer
    x = 801,445.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.