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Finding the Fourth Proportional to 495,395.84, 683,659.68 and 291,460.16

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Solution

The fourth proportional to 495,395.84, 683,659.68 and 291,460.16 is: 402,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,395.84 : 683,659.68 = 291,460.16 : x
  2. Step 2: Convert to fraction form
    495,395.84/683,659.68 = 291,460.16/x
  3. Step 3: Cross multiply
    495,395.84x = 683,659.68 × 291,460.16
  4. Step 4: Simplify right side
    495,395.84x = 199,259,559,718.35
  5. Step 5: Solve for x
    x = 199,259,559,718.35/495,395.84
  6. Step 6: Final answer
    x = 402,222.92

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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.