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Finding the Fourth Proportional to 515,188, 710,717.52 and 364,368.16

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Solution

The fourth proportional to 515,188, 710,717.52 and 364,368.16 is: 502,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,188 : 710,717.52 = 364,368.16 : x
  2. Step 2: Convert to fraction form
    515,188/710,717.52 = 364,368.16/x
  3. Step 3: Cross multiply
    515,188x = 710,717.52 × 364,368.16
  4. Step 4: Simplify right side
    515,188x = 258,962,835,042.16
  5. Step 5: Solve for x
    x = 258,962,835,042.16/515,188
  6. Step 6: Final answer
    x = 502,656.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.