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Finding the Fourth Proportional to 658,767.47, 909,051.35 and 364,404.74

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Solution

The fourth proportional to 658,767.47, 909,051.35 and 364,404.74 is: 502,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,767.47 : 909,051.35 = 364,404.74 : x
  2. Step 2: Convert to fraction form
    658,767.47/909,051.35 = 364,404.74/x
  3. Step 3: Cross multiply
    658,767.47x = 909,051.35 × 364,404.74
  4. Step 4: Simplify right side
    658,767.47x = 331,262,614,476.12
  5. Step 5: Solve for x
    x = 331,262,614,476.12/658,767.47
  6. Step 6: Final answer
    x = 502,852.12

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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.