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Finding the Fourth Proportional to 495,559.54, 683,814.14 and 291,565.59

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Solution

The fourth proportional to 495,559.54, 683,814.14 and 291,565.59 is: 402,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,559.54 : 683,814.14 = 291,565.59 : x
  2. Step 2: Convert to fraction form
    495,559.54/683,814.14 = 291,565.59/x
  3. Step 3: Cross multiply
    495,559.54x = 683,814.14 × 291,565.59
  4. Step 4: Simplify right side
    495,559.54x = 199,376,671,721.62
  5. Step 5: Solve for x
    x = 199,376,671,721.62/495,559.54
  6. Step 6: Final answer
    x = 402,326.38

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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.