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Finding the Fourth Proportional to 585,575.91, 808,088.13 and 317,303.91

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Solution

The fourth proportional to 585,575.91, 808,088.13 and 317,303.91 is: 437,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,575.91 : 808,088.13 = 317,303.91 : x
  2. Step 2: Convert to fraction form
    585,575.91/808,088.13 = 317,303.91/x
  3. Step 3: Cross multiply
    585,575.91x = 808,088.13 × 317,303.91
  4. Step 4: Simplify right side
    585,575.91x = 256,409,523,273.59
  5. Step 5: Solve for x
    x = 256,409,523,273.59/585,575.91
  6. Step 6: Final answer
    x = 437,875.81

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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.